Home / 18,600.12-25,646.49-13,876.20

Finding the Fourth Proportional to 18,600.12, 25,646.49 and 13,876.20

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Solution

The fourth proportional to 18,600.12, 25,646.49 and 13,876.20 is: 19,132.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.12 : 25,646.49 = 13,876.20 : x
  2. Step 2: Convert to fraction form
    18,600.12/25,646.49 = 13,876.20/x
  3. Step 3: Cross multiply
    18,600.12x = 25,646.49 × 13,876.20
  4. Step 4: Simplify right side
    18,600.12x = 355,875,824.54
  5. Step 5: Solve for x
    x = 355,875,824.54/18,600.12
  6. Step 6: Final answer
    x = 19,132.99

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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.