Home / 18,100.78-24,977.06-10,545.53

Finding the Fourth Proportional to 18,100.78, 24,977.06 and 10,545.53

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Solution

The fourth proportional to 18,100.78, 24,977.06 and 10,545.53 is: 14,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.78 : 24,977.06 = 10,545.53 : x
  2. Step 2: Convert to fraction form
    18,100.78/24,977.06 = 10,545.53/x
  3. Step 3: Cross multiply
    18,100.78x = 24,977.06 × 10,545.53
  4. Step 4: Simplify right side
    18,100.78x = 263,396,335.54
  5. Step 5: Solve for x
    x = 263,396,335.54/18,100.78
  6. Step 6: Final answer
    x = 14,551.66

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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.