Home / 10,691.21-14,755.01-6,217.04

Finding the Fourth Proportional to 10,691.21, 14,755.01 and 6,217.04

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Solution

The fourth proportional to 10,691.21, 14,755.01 and 6,217.04 is: 8,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.21 : 14,755.01 = 6,217.04 : x
  2. Step 2: Convert to fraction form
    10,691.21/14,755.01 = 6,217.04/x
  3. Step 3: Cross multiply
    10,691.21x = 14,755.01 × 6,217.04
  4. Step 4: Simplify right side
    10,691.21x = 91,732,487.37
  5. Step 5: Solve for x
    x = 91,732,487.37/10,691.21
  6. Step 6: Final answer
    x = 8,580.18

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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.