Home / 17,679.41-24,397.76-9,721.69

Finding the Fourth Proportional to 17,679.41, 24,397.76 and 9,721.69

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Solution

The fourth proportional to 17,679.41, 24,397.76 and 9,721.69 is: 13,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.41 : 24,397.76 = 9,721.69 : x
  2. Step 2: Convert to fraction form
    17,679.41/24,397.76 = 9,721.69/x
  3. Step 3: Cross multiply
    17,679.41x = 24,397.76 × 9,721.69
  4. Step 4: Simplify right side
    17,679.41x = 237,187,368.04
  5. Step 5: Solve for x
    x = 237,187,368.04/17,679.41
  6. Step 6: Final answer
    x = 13,416.03

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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.