Home / 10,442.52-15,663.78-5,244.75

Finding the Fourth Proportional to 10,442.52, 15,663.78 and 5,244.75

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Solution

The fourth proportional to 10,442.52, 15,663.78 and 5,244.75 is: 7,867.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.52 : 15,663.78 = 5,244.75 : x
  2. Step 2: Convert to fraction form
    10,442.52/15,663.78 = 5,244.75/x
  3. Step 3: Cross multiply
    10,442.52x = 15,663.78 × 5,244.75
  4. Step 4: Simplify right side
    10,442.52x = 82,152,610.16
  5. Step 5: Solve for x
    x = 82,152,610.16/10,442.52
  6. Step 6: Final answer
    x = 7,867.13

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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.