Home / 13,520.93-20,253.10-10,874.13

Finding the Fourth Proportional to 13,520.93, 20,253.10 and 10,874.13

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Solution

The fourth proportional to 13,520.93, 20,253.10 and 10,874.13 is: 16,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520.93 : 20,253.10 = 10,874.13 : x
  2. Step 2: Convert to fraction form
    13,520.93/20,253.10 = 10,874.13/x
  3. Step 3: Cross multiply
    13,520.93x = 20,253.10 × 10,874.13
  4. Step 4: Simplify right side
    13,520.93x = 220,234,741.04
  5. Step 5: Solve for x
    x = 220,234,741.04/13,520.93
  6. Step 6: Final answer
    x = 16,288.44

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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.