Home / 22,462.40-30,998.27-12,391.12

Finding the Fourth Proportional to 22,462.40, 30,998.27 and 12,391.12

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Solution

The fourth proportional to 22,462.40, 30,998.27 and 12,391.12 is: 17,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,462.40 : 30,998.27 = 12,391.12 : x
  2. Step 2: Convert to fraction form
    22,462.40/30,998.27 = 12,391.12/x
  3. Step 3: Cross multiply
    22,462.40x = 30,998.27 × 12,391.12
  4. Step 4: Simplify right side
    22,462.40x = 384,103,283.36
  5. Step 5: Solve for x
    x = 384,103,283.36/22,462.40
  6. Step 6: Final answer
    x = 17,099.83

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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.