Home / 11,631.11-16,055.10-6,915.38

Finding the Fourth Proportional to 11,631.11, 16,055.10 and 6,915.38

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Solution

The fourth proportional to 11,631.11, 16,055.10 and 6,915.38 is: 9,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.11 : 16,055.10 = 6,915.38 : x
  2. Step 2: Convert to fraction form
    11,631.11/16,055.10 = 6,915.38/x
  3. Step 3: Cross multiply
    11,631.11x = 16,055.10 × 6,915.38
  4. Step 4: Simplify right side
    11,631.11x = 111,027,037.16
  5. Step 5: Solve for x
    x = 111,027,037.16/11,631.11
  6. Step 6: Final answer
    x = 9,545.70

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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.