Home / 15,404.16-23,100.12-5,540.40

Finding the Fourth Proportional to 15,404.16, 23,100.12 and 5,540.40

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Solution

The fourth proportional to 15,404.16, 23,100.12 and 5,540.40 is: 8,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.16 : 23,100.12 = 5,540.40 : x
  2. Step 2: Convert to fraction form
    15,404.16/23,100.12 = 5,540.40/x
  3. Step 3: Cross multiply
    15,404.16x = 23,100.12 × 5,540.40
  4. Step 4: Simplify right side
    15,404.16x = 127,983,904.85
  5. Step 5: Solve for x
    x = 127,983,904.85/15,404.16
  6. Step 6: Final answer
    x = 8,308.40

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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.