Home / 10,003.20-15,000.48-3,073.92

Finding the Fourth Proportional to 10,003.20, 15,000.48 and 3,073.92

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Solution

The fourth proportional to 10,003.20, 15,000.48 and 3,073.92 is: 4,609.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.20 : 15,000.48 = 3,073.92 : x
  2. Step 2: Convert to fraction form
    10,003.20/15,000.48 = 3,073.92/x
  3. Step 3: Cross multiply
    10,003.20x = 15,000.48 × 3,073.92
  4. Step 4: Simplify right side
    10,003.20x = 46,110,275.48
  5. Step 5: Solve for x
    x = 46,110,275.48/10,003.20
  6. Step 6: Final answer
    x = 4,609.55

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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.