Home / 11,082.09-15,285.42-10,715.97

Finding the Fourth Proportional to 11,082.09, 15,285.42 and 10,715.97

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Solution

The fourth proportional to 11,082.09, 15,285.42 and 10,715.97 is: 14,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.09 : 15,285.42 = 10,715.97 : x
  2. Step 2: Convert to fraction form
    11,082.09/15,285.42 = 10,715.97/x
  3. Step 3: Cross multiply
    11,082.09x = 15,285.42 × 10,715.97
  4. Step 4: Simplify right side
    11,082.09x = 163,798,102.16
  5. Step 5: Solve for x
    x = 163,798,102.16/11,082.09
  6. Step 6: Final answer
    x = 14,780.43

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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.