Home / 20,451.24-30,677.14-13,475.90

Finding the Fourth Proportional to 20,451.24, 30,677.14 and 13,475.90

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Solution

The fourth proportional to 20,451.24, 30,677.14 and 13,475.90 is: 20,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451.24 : 30,677.14 = 13,475.90 : x
  2. Step 2: Convert to fraction form
    20,451.24/30,677.14 = 13,475.90/x
  3. Step 3: Cross multiply
    20,451.24x = 30,677.14 × 13,475.90
  4. Step 4: Simplify right side
    20,451.24x = 413,402,070.93
  5. Step 5: Solve for x
    x = 413,402,070.93/20,451.24
  6. Step 6: Final answer
    x = 20,214.03

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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.