Home / 10,028.16-15,025.80-5,343.20

Finding the Fourth Proportional to 10,028.16, 15,025.80 and 5,343.20

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Solution

The fourth proportional to 10,028.16, 15,025.80 and 5,343.20 is: 8,006.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.16 : 15,025.80 = 5,343.20 : x
  2. Step 2: Convert to fraction form
    10,028.16/15,025.80 = 5,343.20/x
  3. Step 3: Cross multiply
    10,028.16x = 15,025.80 × 5,343.20
  4. Step 4: Simplify right side
    10,028.16x = 80,285,854.56
  5. Step 5: Solve for x
    x = 80,285,854.56/10,028.16
  6. Step 6: Final answer
    x = 8,006.04

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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.