Home / 16,726.14-23,081.90-9,172.45

Finding the Fourth Proportional to 16,726.14, 23,081.90 and 9,172.45

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Solution

The fourth proportional to 16,726.14, 23,081.90 and 9,172.45 is: 12,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,726.14 : 23,081.90 = 9,172.45 : x
  2. Step 2: Convert to fraction form
    16,726.14/23,081.90 = 9,172.45/x
  3. Step 3: Cross multiply
    16,726.14x = 23,081.90 × 9,172.45
  4. Step 4: Simplify right side
    16,726.14x = 211,717,470.09
  5. Step 5: Solve for x
    x = 211,717,470.09/16,726.14
  6. Step 6: Final answer
    x = 12,657.88

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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.