Home / 15,516.80-23,273.40-4,425.20

Finding the Fourth Proportional to 15,516.80, 23,273.40 and 4,425.20

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Solution

The fourth proportional to 15,516.80, 23,273.40 and 4,425.20 is: 6,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.80 : 23,273.40 = 4,425.20 : x
  2. Step 2: Convert to fraction form
    15,516.80/23,273.40 = 4,425.20/x
  3. Step 3: Cross multiply
    15,516.80x = 23,273.40 × 4,425.20
  4. Step 4: Simplify right side
    15,516.80x = 102,989,449.68
  5. Step 5: Solve for x
    x = 102,989,449.68/15,516.80
  6. Step 6: Final answer
    x = 6,637.29

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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.