Home / 12,632.90-18,951.24-4,081.49

Finding the Fourth Proportional to 12,632.90, 18,951.24 and 4,081.49

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Solution

The fourth proportional to 12,632.90, 18,951.24 and 4,081.49 is: 6,122.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.90 : 18,951.24 = 4,081.49 : x
  2. Step 2: Convert to fraction form
    12,632.90/18,951.24 = 4,081.49/x
  3. Step 3: Cross multiply
    12,632.90x = 18,951.24 × 4,081.49
  4. Step 4: Simplify right side
    12,632.90x = 77,349,248.80
  5. Step 5: Solve for x
    x = 77,349,248.80/12,632.90
  6. Step 6: Final answer
    x = 6,122.84

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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.