Home / 10,715.44-14,787.76-5,999.76

Finding the Fourth Proportional to 10,715.44, 14,787.76 and 5,999.76

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Solution

The fourth proportional to 10,715.44, 14,787.76 and 5,999.76 is: 8,279.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.44 : 14,787.76 = 5,999.76 : x
  2. Step 2: Convert to fraction form
    10,715.44/14,787.76 = 5,999.76/x
  3. Step 3: Cross multiply
    10,715.44x = 14,787.76 × 5,999.76
  4. Step 4: Simplify right side
    10,715.44x = 88,723,010.94
  5. Step 5: Solve for x
    x = 88,723,010.94/10,715.44
  6. Step 6: Final answer
    x = 8,279.92

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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.