Home / 23,149.28-34,736.56-9,820.21

Finding the Fourth Proportional to 23,149.28, 34,736.56 and 9,820.21

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Solution

The fourth proportional to 23,149.28, 34,736.56 and 9,820.21 is: 14,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.28 : 34,736.56 = 9,820.21 : x
  2. Step 2: Convert to fraction form
    23,149.28/34,736.56 = 9,820.21/x
  3. Step 3: Cross multiply
    23,149.28x = 34,736.56 × 9,820.21
  4. Step 4: Simplify right side
    23,149.28x = 341,120,264.78
  5. Step 5: Solve for x
    x = 341,120,264.78/23,149.28
  6. Step 6: Final answer
    x = 14,735.68

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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.