Home / 18,998.29-28,503.20-13,462.34

Finding the Fourth Proportional to 18,998.29, 28,503.20 and 13,462.34

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Solution

The fourth proportional to 18,998.29, 28,503.20 and 13,462.34 is: 20,197.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.29 : 28,503.20 = 13,462.34 : x
  2. Step 2: Convert to fraction form
    18,998.29/28,503.20 = 13,462.34/x
  3. Step 3: Cross multiply
    18,998.29x = 28,503.20 × 13,462.34
  4. Step 4: Simplify right side
    18,998.29x = 383,719,874.40
  5. Step 5: Solve for x
    x = 383,719,874.40/18,998.29
  6. Step 6: Final answer
    x = 20,197.60

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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.