Home / 23,115.13-31,897.06-13,046.02

Finding the Fourth Proportional to 23,115.13, 31,897.06 and 13,046.02

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Solution

The fourth proportional to 23,115.13, 31,897.06 and 13,046.02 is: 18,002.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.13 : 31,897.06 = 13,046.02 : x
  2. Step 2: Convert to fraction form
    23,115.13/31,897.06 = 13,046.02/x
  3. Step 3: Cross multiply
    23,115.13x = 31,897.06 × 13,046.02
  4. Step 4: Simplify right side
    23,115.13x = 416,129,682.70
  5. Step 5: Solve for x
    x = 416,129,682.70/23,115.13
  6. Step 6: Final answer
    x = 18,002.48

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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.