Home / 17,679.12-24,397.26-9,721.16

Finding the Fourth Proportional to 17,679.12, 24,397.26 and 9,721.16

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Solution

The fourth proportional to 17,679.12, 24,397.26 and 9,721.16 is: 13,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.12 : 24,397.26 = 9,721.16 : x
  2. Step 2: Convert to fraction form
    17,679.12/24,397.26 = 9,721.16/x
  3. Step 3: Cross multiply
    17,679.12x = 24,397.26 × 9,721.16
  4. Step 4: Simplify right side
    17,679.12x = 237,169,668.02
  5. Step 5: Solve for x
    x = 237,169,668.02/17,679.12
  6. Step 6: Final answer
    x = 13,415.24

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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.