Home / 10,157.73-15,240.24-7,379.70

Finding the Fourth Proportional to 10,157.73, 15,240.24 and 7,379.70

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Solution

The fourth proportional to 10,157.73, 15,240.24 and 7,379.70 is: 11,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.73 : 15,240.24 = 7,379.70 : x
  2. Step 2: Convert to fraction form
    10,157.73/15,240.24 = 7,379.70/x
  3. Step 3: Cross multiply
    10,157.73x = 15,240.24 × 7,379.70
  4. Step 4: Simplify right side
    10,157.73x = 112,468,399.13
  5. Step 5: Solve for x
    x = 112,468,399.13/10,157.73
  6. Step 6: Final answer
    x = 11,072.20

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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.