Home / 10,247.38-15,361.35-5,047.18

Finding the Fourth Proportional to 10,247.38, 15,361.35 and 5,047.18

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Solution

The fourth proportional to 10,247.38, 15,361.35 and 5,047.18 is: 7,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.38 : 15,361.35 = 5,047.18 : x
  2. Step 2: Convert to fraction form
    10,247.38/15,361.35 = 5,047.18/x
  3. Step 3: Cross multiply
    10,247.38x = 15,361.35 × 5,047.18
  4. Step 4: Simplify right side
    10,247.38x = 77,531,498.49
  5. Step 5: Solve for x
    x = 77,531,498.49/10,247.38
  6. Step 6: Final answer
    x = 7,565.98

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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.