Home / 10,715.57-14,787.45-5,999.84

Finding the Fourth Proportional to 10,715.57, 14,787.45 and 5,999.84

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Solution

The fourth proportional to 10,715.57, 14,787.45 and 5,999.84 is: 8,279.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.57 : 14,787.45 = 5,999.84 : x
  2. Step 2: Convert to fraction form
    10,715.57/14,787.45 = 5,999.84/x
  3. Step 3: Cross multiply
    10,715.57x = 14,787.45 × 5,999.84
  4. Step 4: Simplify right side
    10,715.57x = 88,722,260.07
  5. Step 5: Solve for x
    x = 88,722,260.07/10,715.57
  6. Step 6: Final answer
    x = 8,279.76

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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.