Home / 10,787.06-16,174.11-7,313.78

Finding the Fourth Proportional to 10,787.06, 16,174.11 and 7,313.78

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Solution

The fourth proportional to 10,787.06, 16,174.11 and 7,313.78 is: 10,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.06 : 16,174.11 = 7,313.78 : x
  2. Step 2: Convert to fraction form
    10,787.06/16,174.11 = 7,313.78/x
  3. Step 3: Cross multiply
    10,787.06x = 16,174.11 × 7,313.78
  4. Step 4: Simplify right side
    10,787.06x = 118,293,882.24
  5. Step 5: Solve for x
    x = 118,293,882.24/10,787.06
  6. Step 6: Final answer
    x = 10,966.28

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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.