Home / 18,374.16-25,355.89-10,718.90

Finding the Fourth Proportional to 18,374.16, 25,355.89 and 10,718.90

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Solution

The fourth proportional to 18,374.16, 25,355.89 and 10,718.90 is: 14,791.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,374.16 : 25,355.89 = 10,718.90 : x
  2. Step 2: Convert to fraction form
    18,374.16/25,355.89 = 10,718.90/x
  3. Step 3: Cross multiply
    18,374.16x = 25,355.89 × 10,718.90
  4. Step 4: Simplify right side
    18,374.16x = 271,787,170.73
  5. Step 5: Solve for x
    x = 271,787,170.73/18,374.16
  6. Step 6: Final answer
    x = 14,791.82

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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.