Home / 23,269.30-34,906.38-13,419.70

Finding the Fourth Proportional to 23,269.30, 34,906.38 and 13,419.70

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Solution

The fourth proportional to 23,269.30, 34,906.38 and 13,419.70 is: 20,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,269.30 : 34,906.38 = 13,419.70 : x
  2. Step 2: Convert to fraction form
    23,269.30/34,906.38 = 13,419.70/x
  3. Step 3: Cross multiply
    23,269.30x = 34,906.38 × 13,419.70
  4. Step 4: Simplify right side
    23,269.30x = 468,433,147.69
  5. Step 5: Solve for x
    x = 468,433,147.69/23,269.30
  6. Step 6: Final answer
    x = 20,130.95

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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.