Home / 10,267.20-15,411.42-6,321.28

Finding the Fourth Proportional to 10,267.20, 15,411.42 and 6,321.28

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Solution

The fourth proportional to 10,267.20, 15,411.42 and 6,321.28 is: 9,488.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.20 : 15,411.42 = 6,321.28 : x
  2. Step 2: Convert to fraction form
    10,267.20/15,411.42 = 6,321.28/x
  3. Step 3: Cross multiply
    10,267.20x = 15,411.42 × 6,321.28
  4. Step 4: Simplify right side
    10,267.20x = 97,419,901.02
  5. Step 5: Solve for x
    x = 97,419,901.02/10,267.20
  6. Step 6: Final answer
    x = 9,488.46

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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.