Home / 17,275.47-23,839.86-9,721.80

Finding the Fourth Proportional to 17,275.47, 23,839.86 and 9,721.80

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Solution

The fourth proportional to 17,275.47, 23,839.86 and 9,721.80 is: 13,415.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,275.47 : 23,839.86 = 9,721.80 : x
  2. Step 2: Convert to fraction form
    17,275.47/23,839.86 = 9,721.80/x
  3. Step 3: Cross multiply
    17,275.47x = 23,839.86 × 9,721.80
  4. Step 4: Simplify right side
    17,275.47x = 231,766,350.95
  5. Step 5: Solve for x
    x = 231,766,350.95/17,275.47
  6. Step 6: Final answer
    x = 13,415.92

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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.