Home / 22,389.38-30,891.07-14,436.26

Finding the Fourth Proportional to 22,389.38, 30,891.07 and 14,436.26

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Solution

The fourth proportional to 22,389.38, 30,891.07 and 14,436.26 is: 19,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.38 : 30,891.07 = 14,436.26 : x
  2. Step 2: Convert to fraction form
    22,389.38/30,891.07 = 14,436.26/x
  3. Step 3: Cross multiply
    22,389.38x = 30,891.07 × 14,436.26
  4. Step 4: Simplify right side
    22,389.38x = 445,951,518.20
  5. Step 5: Solve for x
    x = 445,951,518.20/22,389.38
  6. Step 6: Final answer
    x = 19,917.99

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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.