Home / 10,073.10-15,121.80-5,634.30

Finding the Fourth Proportional to 10,073.10, 15,121.80 and 5,634.30

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Solution

The fourth proportional to 10,073.10, 15,121.80 and 5,634.30 is: 8,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.10 : 15,121.80 = 5,634.30 : x
  2. Step 2: Convert to fraction form
    10,073.10/15,121.80 = 5,634.30/x
  3. Step 3: Cross multiply
    10,073.10x = 15,121.80 × 5,634.30
  4. Step 4: Simplify right side
    10,073.10x = 85,200,757.74
  5. Step 5: Solve for x
    x = 85,200,757.74/10,073.10
  6. Step 6: Final answer
    x = 8,458.25

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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.