Home / 22,399.14-30,909.66-12,328.54

Finding the Fourth Proportional to 22,399.14, 30,909.66 and 12,328.54

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Solution

The fourth proportional to 22,399.14, 30,909.66 and 12,328.54 is: 17,012.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,399.14 : 30,909.66 = 12,328.54 : x
  2. Step 2: Convert to fraction form
    22,399.14/30,909.66 = 12,328.54/x
  3. Step 3: Cross multiply
    22,399.14x = 30,909.66 × 12,328.54
  4. Step 4: Simplify right side
    22,399.14x = 381,070,902.42
  5. Step 5: Solve for x
    x = 381,070,902.42/22,399.14
  6. Step 6: Final answer
    x = 17,012.75

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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.