Home / 10,715.91-14,787.13-5,999.55

Finding the Fourth Proportional to 10,715.91, 14,787.13 and 5,999.55

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Solution

The fourth proportional to 10,715.91, 14,787.13 and 5,999.55 is: 8,278.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.91 : 14,787.13 = 5,999.55 : x
  2. Step 2: Convert to fraction form
    10,715.91/14,787.13 = 5,999.55/x
  3. Step 3: Cross multiply
    10,715.91x = 14,787.13 × 5,999.55
  4. Step 4: Simplify right side
    10,715.91x = 88,716,125.79
  5. Step 5: Solve for x
    x = 88,716,125.79/10,715.91
  6. Step 6: Final answer
    x = 8,278.92

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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.