Home / 18,557.52-25,575.04-13,180.19

Finding the Fourth Proportional to 18,557.52, 25,575.04 and 13,180.19

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Solution

The fourth proportional to 18,557.52, 25,575.04 and 13,180.19 is: 18,164.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,557.52 : 25,575.04 = 13,180.19 : x
  2. Step 2: Convert to fraction form
    18,557.52/25,575.04 = 13,180.19/x
  3. Step 3: Cross multiply
    18,557.52x = 25,575.04 × 13,180.19
  4. Step 4: Simplify right side
    18,557.52x = 337,083,884.49
  5. Step 5: Solve for x
    x = 337,083,884.49/18,557.52
  6. Step 6: Final answer
    x = 18,164.27

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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.