Home / 12,519.72-17,277.30-7,486.92

Finding the Fourth Proportional to 12,519.72, 17,277.30 and 7,486.92

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Solution

The fourth proportional to 12,519.72, 17,277.30 and 7,486.92 is: 10,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,519.72 : 17,277.30 = 7,486.92 : x
  2. Step 2: Convert to fraction form
    12,519.72/17,277.30 = 7,486.92/x
  3. Step 3: Cross multiply
    12,519.72x = 17,277.30 × 7,486.92
  4. Step 4: Simplify right side
    12,519.72x = 129,353,762.92
  5. Step 5: Solve for x
    x = 129,353,762.92/12,519.72
  6. Step 6: Final answer
    x = 10,332.00

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Half scale
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Double scale
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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.