Home / 23,161.90-34,789.32-13,820.16

Finding the Fourth Proportional to 23,161.90, 34,789.32 and 13,820.16

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Solution

The fourth proportional to 23,161.90, 34,789.32 and 13,820.16 is: 20,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,161.90 : 34,789.32 = 13,820.16 : x
  2. Step 2: Convert to fraction form
    23,161.90/34,789.32 = 13,820.16/x
  3. Step 3: Cross multiply
    23,161.90x = 34,789.32 × 13,820.16
  4. Step 4: Simplify right side
    23,161.90x = 480,793,968.69
  5. Step 5: Solve for x
    x = 480,793,968.69/23,161.90
  6. Step 6: Final answer
    x = 20,757.97

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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.