Home / 15,403.48-23,102.68-5,540.92

Finding the Fourth Proportional to 15,403.48, 23,102.68 and 5,540.92

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Solution

The fourth proportional to 15,403.48, 23,102.68 and 5,540.92 is: 8,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.48 : 23,102.68 = 5,540.92 : x
  2. Step 2: Convert to fraction form
    15,403.48/23,102.68 = 5,540.92/x
  3. Step 3: Cross multiply
    15,403.48x = 23,102.68 × 5,540.92
  4. Step 4: Simplify right side
    15,403.48x = 128,010,101.67
  5. Step 5: Solve for x
    x = 128,010,101.67/15,403.48
  6. Step 6: Final answer
    x = 8,310.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.