Home / 17,940.32-24,756-13,227.20

Finding the Fourth Proportional to 17,940.32, 24,756 and 13,227.20

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Solution

The fourth proportional to 17,940.32, 24,756 and 13,227.20 is: 18,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,940.32 : 24,756 = 13,227.20 : x
  2. Step 2: Convert to fraction form
    17,940.32/24,756 = 13,227.20/x
  3. Step 3: Cross multiply
    17,940.32x = 24,756 × 13,227.20
  4. Step 4: Simplify right side
    17,940.32x = 327,452,563.20
  5. Step 5: Solve for x
    x = 327,452,563.20/17,940.32
  6. Step 6: Final answer
    x = 18,252.33

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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.