Home / 15,213.13-20,993.37-8,497.42

Finding the Fourth Proportional to 15,213.13, 20,993.37 and 8,497.42

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Solution

The fourth proportional to 15,213.13, 20,993.37 and 8,497.42 is: 11,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,213.13 : 20,993.37 = 8,497.42 : x
  2. Step 2: Convert to fraction form
    15,213.13/20,993.37 = 8,497.42/x
  3. Step 3: Cross multiply
    15,213.13x = 20,993.37 × 8,497.42
  4. Step 4: Simplify right side
    15,213.13x = 178,389,397.76
  5. Step 5: Solve for x
    x = 178,389,397.76/15,213.13
  6. Step 6: Final answer
    x = 11,726.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.