Home / 10,090.30-15,135.46-4,542.61

Finding the Fourth Proportional to 10,090.30, 15,135.46 and 4,542.61

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Solution

The fourth proportional to 10,090.30, 15,135.46 and 4,542.61 is: 6,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.30 : 15,135.46 = 4,542.61 : x
  2. Step 2: Convert to fraction form
    10,090.30/15,135.46 = 4,542.61/x
  3. Step 3: Cross multiply
    10,090.30x = 15,135.46 × 4,542.61
  4. Step 4: Simplify right side
    10,090.30x = 68,754,442.76
  5. Step 5: Solve for x
    x = 68,754,442.76/10,090.30
  6. Step 6: Final answer
    x = 6,813.92

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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.