Home / 12,449.18-18,648.76-6,190.26

Finding the Fourth Proportional to 12,449.18, 18,648.76 and 6,190.26

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Solution

The fourth proportional to 12,449.18, 18,648.76 and 6,190.26 is: 9,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.18 : 18,648.76 = 6,190.26 : x
  2. Step 2: Convert to fraction form
    12,449.18/18,648.76 = 6,190.26/x
  3. Step 3: Cross multiply
    12,449.18x = 18,648.76 × 6,190.26
  4. Step 4: Simplify right side
    12,449.18x = 115,440,673.08
  5. Step 5: Solve for x
    x = 115,440,673.08/12,449.18
  6. Step 6: Final answer
    x = 9,272.95

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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.