Home / 10,350.26-15,511.40-7,422.12

Finding the Fourth Proportional to 10,350.26, 15,511.40 and 7,422.12

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Solution

The fourth proportional to 10,350.26, 15,511.40 and 7,422.12 is: 11,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,350.26 : 15,511.40 = 7,422.12 : x
  2. Step 2: Convert to fraction form
    10,350.26/15,511.40 = 7,422.12/x
  3. Step 3: Cross multiply
    10,350.26x = 15,511.40 × 7,422.12
  4. Step 4: Simplify right side
    10,350.26x = 115,127,472.17
  5. Step 5: Solve for x
    x = 115,127,472.17/10,350.26
  6. Step 6: Final answer
    x = 11,123.15

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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.