Home / 10,542.02-15,815.43-4,217.27

Finding the Fourth Proportional to 10,542.02, 15,815.43 and 4,217.27

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Solution

The fourth proportional to 10,542.02, 15,815.43 and 4,217.27 is: 6,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.02 : 15,815.43 = 4,217.27 : x
  2. Step 2: Convert to fraction form
    10,542.02/15,815.43 = 4,217.27/x
  3. Step 3: Cross multiply
    10,542.02x = 15,815.43 × 4,217.27
  4. Step 4: Simplify right side
    10,542.02x = 66,697,847.54
  5. Step 5: Solve for x
    x = 66,697,847.54/10,542.02
  6. Step 6: Final answer
    x = 6,326.85

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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.