Home / 10,221.16-15,269.56-6,493.52

Finding the Fourth Proportional to 10,221.16, 15,269.56 and 6,493.52

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Solution

The fourth proportional to 10,221.16, 15,269.56 and 6,493.52 is: 9,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.16 : 15,269.56 = 6,493.52 : x
  2. Step 2: Convert to fraction form
    10,221.16/15,269.56 = 6,493.52/x
  3. Step 3: Cross multiply
    10,221.16x = 15,269.56 × 6,493.52
  4. Step 4: Simplify right side
    10,221.16x = 99,153,193.25
  5. Step 5: Solve for x
    x = 99,153,193.25/10,221.16
  6. Step 6: Final answer
    x = 9,700.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.