Home / 22,512.97-31,071.75-13,087.00

Finding the Fourth Proportional to 22,512.97, 31,071.75 and 13,087.00

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Solution

The fourth proportional to 22,512.97, 31,071.75 and 13,087.00 is: 18,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.97 : 31,071.75 = 13,087.00 : x
  2. Step 2: Convert to fraction form
    22,512.97/31,071.75 = 13,087.00/x
  3. Step 3: Cross multiply
    22,512.97x = 31,071.75 × 13,087.00
  4. Step 4: Simplify right side
    22,512.97x = 406,635,836.89
  5. Step 5: Solve for x
    x = 406,635,836.89/22,512.97
  6. Step 6: Final answer
    x = 18,062.30

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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.