Home / 18,600.32-28,010.48-13,442.24

Finding the Fourth Proportional to 18,600.32, 28,010.48 and 13,442.24

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Solution

The fourth proportional to 18,600.32, 28,010.48 and 13,442.24 is: 20,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.32 : 28,010.48 = 13,442.24 : x
  2. Step 2: Convert to fraction form
    18,600.32/28,010.48 = 13,442.24/x
  3. Step 3: Cross multiply
    18,600.32x = 28,010.48 × 13,442.24
  4. Step 4: Simplify right side
    18,600.32x = 376,523,594.68
  5. Step 5: Solve for x
    x = 376,523,594.68/18,600.32
  6. Step 6: Final answer
    x = 20,242.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.