Home / 12,344.96-18,498.87-7,409.22

Finding the Fourth Proportional to 12,344.96, 18,498.87 and 7,409.22

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Solution

The fourth proportional to 12,344.96, 18,498.87 and 7,409.22 is: 11,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.96 : 18,498.87 = 7,409.22 : x
  2. Step 2: Convert to fraction form
    12,344.96/18,498.87 = 7,409.22/x
  3. Step 3: Cross multiply
    12,344.96x = 18,498.87 × 7,409.22
  4. Step 4: Simplify right side
    12,344.96x = 137,062,197.58
  5. Step 5: Solve for x
    x = 137,062,197.58/12,344.96
  6. Step 6: Final answer
    x = 11,102.69

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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.