Home / 13,753.04-20,614.20-12,645.92

Finding the Fourth Proportional to 13,753.04, 20,614.20 and 12,645.92

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Solution

The fourth proportional to 13,753.04, 20,614.20 and 12,645.92 is: 18,954.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.04 : 20,614.20 = 12,645.92 : x
  2. Step 2: Convert to fraction form
    13,753.04/20,614.20 = 12,645.92/x
  3. Step 3: Cross multiply
    13,753.04x = 20,614.20 × 12,645.92
  4. Step 4: Simplify right side
    13,753.04x = 260,685,524.06
  5. Step 5: Solve for x
    x = 260,685,524.06/13,753.04
  6. Step 6: Final answer
    x = 18,954.76

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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.