Home / 17,478.97-24,120.51-9,520.72

Finding the Fourth Proportional to 17,478.97, 24,120.51 and 9,520.72

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Solution

The fourth proportional to 17,478.97, 24,120.51 and 9,520.72 is: 13,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.97 : 24,120.51 = 9,520.72 : x
  2. Step 2: Convert to fraction form
    17,478.97/24,120.51 = 9,520.72/x
  3. Step 3: Cross multiply
    17,478.97x = 24,120.51 × 9,520.72
  4. Step 4: Simplify right side
    17,478.97x = 229,644,621.97
  5. Step 5: Solve for x
    x = 229,644,621.97/17,478.97
  6. Step 6: Final answer
    x = 13,138.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.