Home / 12,049.22-18,079.60-4,261.70

Finding the Fourth Proportional to 12,049.22, 18,079.60 and 4,261.70

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Solution

The fourth proportional to 12,049.22, 18,079.60 and 4,261.70 is: 6,394.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.22 : 18,079.60 = 4,261.70 : x
  2. Step 2: Convert to fraction form
    12,049.22/18,079.60 = 4,261.70/x
  3. Step 3: Cross multiply
    12,049.22x = 18,079.60 × 4,261.70
  4. Step 4: Simplify right side
    12,049.22x = 77,049,831.32
  5. Step 5: Solve for x
    x = 77,049,831.32/12,049.22
  6. Step 6: Final answer
    x = 6,394.59

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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.