Home / 13,712.06-20,593.20-12,555.38

Finding the Fourth Proportional to 13,712.06, 20,593.20 and 12,555.38

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Solution

The fourth proportional to 13,712.06, 20,593.20 and 12,555.38 is: 18,856.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.06 : 20,593.20 = 12,555.38 : x
  2. Step 2: Convert to fraction form
    13,712.06/20,593.20 = 12,555.38/x
  3. Step 3: Cross multiply
    13,712.06x = 20,593.20 × 12,555.38
  4. Step 4: Simplify right side
    13,712.06x = 258,555,451.42
  5. Step 5: Solve for x
    x = 258,555,451.42/13,712.06
  6. Step 6: Final answer
    x = 18,856.06

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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.