Home / 13,531.95-20,298.02-10,265.22

Finding the Fourth Proportional to 13,531.95, 20,298.02 and 10,265.22

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Solution

The fourth proportional to 13,531.95, 20,298.02 and 10,265.22 is: 15,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.95 : 20,298.02 = 10,265.22 : x
  2. Step 2: Convert to fraction form
    13,531.95/20,298.02 = 10,265.22/x
  3. Step 3: Cross multiply
    13,531.95x = 20,298.02 × 10,265.22
  4. Step 4: Simplify right side
    13,531.95x = 208,363,589.54
  5. Step 5: Solve for x
    x = 208,363,589.54/13,531.95
  6. Step 6: Final answer
    x = 15,397.90

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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.