Home / 10,731.09-16,099.88-7,235.13

Finding the Fourth Proportional to 10,731.09, 16,099.88 and 7,235.13

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Solution

The fourth proportional to 10,731.09, 16,099.88 and 7,235.13 is: 10,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.09 : 16,099.88 = 7,235.13 : x
  2. Step 2: Convert to fraction form
    10,731.09/16,099.88 = 7,235.13/x
  3. Step 3: Cross multiply
    10,731.09x = 16,099.88 × 7,235.13
  4. Step 4: Simplify right side
    10,731.09x = 116,484,688.61
  5. Step 5: Solve for x
    x = 116,484,688.61/10,731.09
  6. Step 6: Final answer
    x = 10,854.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.