Home / 10,169.76-15,280.20-6,473.64

Finding the Fourth Proportional to 10,169.76, 15,280.20 and 6,473.64

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Solution

The fourth proportional to 10,169.76, 15,280.20 and 6,473.64 is: 9,726.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.76 : 15,280.20 = 6,473.64 : x
  2. Step 2: Convert to fraction form
    10,169.76/15,280.20 = 6,473.64/x
  3. Step 3: Cross multiply
    10,169.76x = 15,280.20 × 6,473.64
  4. Step 4: Simplify right side
    10,169.76x = 98,918,513.93
  5. Step 5: Solve for x
    x = 98,918,513.93/10,169.76
  6. Step 6: Final answer
    x = 9,726.73

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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.