Home / 12,924.77-17,840.85-9,747.17

Finding the Fourth Proportional to 12,924.77, 17,840.85 and 9,747.17

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Solution

The fourth proportional to 12,924.77, 17,840.85 and 9,747.17 is: 13,454.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,924.77 : 17,840.85 = 9,747.17 : x
  2. Step 2: Convert to fraction form
    12,924.77/17,840.85 = 9,747.17/x
  3. Step 3: Cross multiply
    12,924.77x = 17,840.85 × 9,747.17
  4. Step 4: Simplify right side
    12,924.77x = 173,897,749.38
  5. Step 5: Solve for x
    x = 173,897,749.38/12,924.77
  6. Step 6: Final answer
    x = 13,454.61

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Half scale
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Double scale
Find fourth proportional to 12,925.77, 17,842.23 and 9,748.17
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.