Home / 18,376.62-25,374.02-14,120.97

Finding the Fourth Proportional to 18,376.62, 25,374.02 and 14,120.97

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Solution

The fourth proportional to 18,376.62, 25,374.02 and 14,120.97 is: 19,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.62 : 25,374.02 = 14,120.97 : x
  2. Step 2: Convert to fraction form
    18,376.62/25,374.02 = 14,120.97/x
  3. Step 3: Cross multiply
    18,376.62x = 25,374.02 × 14,120.97
  4. Step 4: Simplify right side
    18,376.62x = 358,305,775.20
  5. Step 5: Solve for x
    x = 358,305,775.20/18,376.62
  6. Step 6: Final answer
    x = 19,497.92

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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.