Home / 17,508.32-24,170.40-13,520.48

Finding the Fourth Proportional to 17,508.32, 24,170.40 and 13,520.48

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Solution

The fourth proportional to 17,508.32, 24,170.40 and 13,520.48 is: 18,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,508.32 : 24,170.40 = 13,520.48 : x
  2. Step 2: Convert to fraction form
    17,508.32/24,170.40 = 13,520.48/x
  3. Step 3: Cross multiply
    17,508.32x = 24,170.40 × 13,520.48
  4. Step 4: Simplify right side
    17,508.32x = 326,795,409.79
  5. Step 5: Solve for x
    x = 326,795,409.79/17,508.32
  6. Step 6: Final answer
    x = 18,665.15

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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.