Home / 15,351.97-23,025.38-4,259.78

Finding the Fourth Proportional to 15,351.97, 23,025.38 and 4,259.78

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Solution

The fourth proportional to 15,351.97, 23,025.38 and 4,259.78 is: 6,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351.97 : 23,025.38 = 4,259.78 : x
  2. Step 2: Convert to fraction form
    15,351.97/23,025.38 = 4,259.78/x
  3. Step 3: Cross multiply
    15,351.97x = 23,025.38 × 4,259.78
  4. Step 4: Simplify right side
    15,351.97x = 98,083,053.22
  5. Step 5: Solve for x
    x = 98,083,053.22/15,351.97
  6. Step 6: Final answer
    x = 6,388.96

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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.