Home / 15,513.37-23,278.79-8,397.42

Finding the Fourth Proportional to 15,513.37, 23,278.79 and 8,397.42

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Solution

The fourth proportional to 15,513.37, 23,278.79 and 8,397.42 is: 12,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.37 : 23,278.79 = 8,397.42 : x
  2. Step 2: Convert to fraction form
    15,513.37/23,278.79 = 8,397.42/x
  3. Step 3: Cross multiply
    15,513.37x = 23,278.79 × 8,397.42
  4. Step 4: Simplify right side
    15,513.37x = 195,481,734.73
  5. Step 5: Solve for x
    x = 195,481,734.73/15,513.37
  6. Step 6: Final answer
    x = 12,600.86

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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.