Home / 23,169.91-31,976.46-13,100.14

Finding the Fourth Proportional to 23,169.91, 31,976.46 and 13,100.14

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Solution

The fourth proportional to 23,169.91, 31,976.46 and 13,100.14 is: 18,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.91 : 31,976.46 = 13,100.14 : x
  2. Step 2: Convert to fraction form
    23,169.91/31,976.46 = 13,100.14/x
  3. Step 3: Cross multiply
    23,169.91x = 31,976.46 × 13,100.14
  4. Step 4: Simplify right side
    23,169.91x = 418,896,102.70
  5. Step 5: Solve for x
    x = 418,896,102.70/23,169.91
  6. Step 6: Final answer
    x = 18,079.32

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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.