Home / 17,488.39-24,143.76-13,392.43

Finding the Fourth Proportional to 17,488.39, 24,143.76 and 13,392.43

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Solution

The fourth proportional to 17,488.39, 24,143.76 and 13,392.43 is: 18,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.39 : 24,143.76 = 13,392.43 : x
  2. Step 2: Convert to fraction form
    17,488.39/24,143.76 = 13,392.43/x
  3. Step 3: Cross multiply
    17,488.39x = 24,143.76 × 13,392.43
  4. Step 4: Simplify right side
    17,488.39x = 323,343,615.74
  5. Step 5: Solve for x
    x = 323,343,615.74/17,488.39
  6. Step 6: Final answer
    x = 18,489.04

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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.