Home / 17,679.48-24,397.10-9,721.68

Finding the Fourth Proportional to 17,679.48, 24,397.10 and 9,721.68

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Solution

The fourth proportional to 17,679.48, 24,397.10 and 9,721.68 is: 13,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.48 : 24,397.10 = 9,721.68 : x
  2. Step 2: Convert to fraction form
    17,679.48/24,397.10 = 9,721.68/x
  3. Step 3: Cross multiply
    17,679.48x = 24,397.10 × 9,721.68
  4. Step 4: Simplify right side
    17,679.48x = 237,180,799.13
  5. Step 5: Solve for x
    x = 237,180,799.13/17,679.48
  6. Step 6: Final answer
    x = 13,415.60

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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.