Home / 22,140.62-30,552.93-12,579.25

Finding the Fourth Proportional to 22,140.62, 30,552.93 and 12,579.25

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Solution

The fourth proportional to 22,140.62, 30,552.93 and 12,579.25 is: 17,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.62 : 30,552.93 = 12,579.25 : x
  2. Step 2: Convert to fraction form
    22,140.62/30,552.93 = 12,579.25/x
  3. Step 3: Cross multiply
    22,140.62x = 30,552.93 × 12,579.25
  4. Step 4: Simplify right side
    22,140.62x = 384,332,944.70
  5. Step 5: Solve for x
    x = 384,332,944.70/22,140.62
  6. Step 6: Final answer
    x = 17,358.73

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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.