Home / 13,049.08-18,001.02-8,260.90

Finding the Fourth Proportional to 13,049.08, 18,001.02 and 8,260.90

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Solution

The fourth proportional to 13,049.08, 18,001.02 and 8,260.90 is: 11,395.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049.08 : 18,001.02 = 8,260.90 : x
  2. Step 2: Convert to fraction form
    13,049.08/18,001.02 = 8,260.90/x
  3. Step 3: Cross multiply
    13,049.08x = 18,001.02 × 8,260.90
  4. Step 4: Simplify right side
    13,049.08x = 148,704,626.12
  5. Step 5: Solve for x
    x = 148,704,626.12/13,049.08
  6. Step 6: Final answer
    x = 11,395.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.