Home / 18,468.48-25,487.45-11,296.15

Finding the Fourth Proportional to 18,468.48, 25,487.45 and 11,296.15

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Solution

The fourth proportional to 18,468.48, 25,487.45 and 11,296.15 is: 15,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.48 : 25,487.45 = 11,296.15 : x
  2. Step 2: Convert to fraction form
    18,468.48/25,487.45 = 11,296.15/x
  3. Step 3: Cross multiply
    18,468.48x = 25,487.45 × 11,296.15
  4. Step 4: Simplify right side
    18,468.48x = 287,910,000.24
  5. Step 5: Solve for x
    x = 287,910,000.24/18,468.48
  6. Step 6: Final answer
    x = 15,589.26

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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.