Home / 10,691.61-14,754.33-6,155.18

Finding the Fourth Proportional to 10,691.61, 14,754.33 and 6,155.18

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Solution

The fourth proportional to 10,691.61, 14,754.33 and 6,155.18 is: 8,494.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.61 : 14,754.33 = 6,155.18 : x
  2. Step 2: Convert to fraction form
    10,691.61/14,754.33 = 6,155.18/x
  3. Step 3: Cross multiply
    10,691.61x = 14,754.33 × 6,155.18
  4. Step 4: Simplify right side
    10,691.61x = 90,815,586.06
  5. Step 5: Solve for x
    x = 90,815,586.06/10,691.61
  6. Step 6: Final answer
    x = 8,494.10

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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.