Home / 12,295.24-18,415.11-10,080.90

Finding the Fourth Proportional to 12,295.24, 18,415.11 and 10,080.90

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Solution

The fourth proportional to 12,295.24, 18,415.11 and 10,080.90 is: 15,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.24 : 18,415.11 = 10,080.90 : x
  2. Step 2: Convert to fraction form
    12,295.24/18,415.11 = 10,080.90/x
  3. Step 3: Cross multiply
    12,295.24x = 18,415.11 × 10,080.90
  4. Step 4: Simplify right side
    12,295.24x = 185,640,882.40
  5. Step 5: Solve for x
    x = 185,640,882.40/12,295.24
  6. Step 6: Final answer
    x = 15,098.60

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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.