Home / 9,648.18-13,311.54-6,659.28

Finding the Fourth Proportional to 9,648.18, 13,311.54 and 6,659.28

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Solution

The fourth proportional to 9,648.18, 13,311.54 and 6,659.28 is: 9,187.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,648.18 : 13,311.54 = 6,659.28 : x
  2. Step 2: Convert to fraction form
    9,648.18/13,311.54 = 6,659.28/x
  3. Step 3: Cross multiply
    9,648.18x = 13,311.54 × 6,659.28
  4. Step 4: Simplify right side
    9,648.18x = 88,645,272.09
  5. Step 5: Solve for x
    x = 88,645,272.09/9,648.18
  6. Step 6: Final answer
    x = 9,187.77

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Half scale
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Double scale
Find fourth proportional to 9,649.18, 13,312.92 and 6,660.28
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.