Home / 11,349.40-17,052.90-10,082.20

Finding the Fourth Proportional to 11,349.40, 17,052.90 and 10,082.20

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Solution

The fourth proportional to 11,349.40, 17,052.90 and 10,082.20 is: 15,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.40 : 17,052.90 = 10,082.20 : x
  2. Step 2: Convert to fraction form
    11,349.40/17,052.90 = 10,082.20/x
  3. Step 3: Cross multiply
    11,349.40x = 17,052.90 × 10,082.20
  4. Step 4: Simplify right side
    11,349.40x = 171,930,748.38
  5. Step 5: Solve for x
    x = 171,930,748.38/11,349.40
  6. Step 6: Final answer
    x = 15,148.88

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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.