Home / 18,600.73-25,661.75-10,638.70

Finding the Fourth Proportional to 18,600.73, 25,661.75 and 10,638.70

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Solution

The fourth proportional to 18,600.73, 25,661.75 and 10,638.70 is: 14,677.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.73 : 25,661.75 = 10,638.70 : x
  2. Step 2: Convert to fraction form
    18,600.73/25,661.75 = 10,638.70/x
  3. Step 3: Cross multiply
    18,600.73x = 25,661.75 × 10,638.70
  4. Step 4: Simplify right side
    18,600.73x = 273,007,542.38
  5. Step 5: Solve for x
    x = 273,007,542.38/18,600.73
  6. Step 6: Final answer
    x = 14,677.25

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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.