Home / 22,470.62-31,009.26-12,399.16

Finding the Fourth Proportional to 22,470.62, 31,009.26 and 12,399.16

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Solution

The fourth proportional to 22,470.62, 31,009.26 and 12,399.16 is: 17,110.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,470.62 : 31,009.26 = 12,399.16 : x
  2. Step 2: Convert to fraction form
    22,470.62/31,009.26 = 12,399.16/x
  3. Step 3: Cross multiply
    22,470.62x = 31,009.26 × 12,399.16
  4. Step 4: Simplify right side
    22,470.62x = 384,488,776.22
  5. Step 5: Solve for x
    x = 384,488,776.22/22,470.62
  6. Step 6: Final answer
    x = 17,110.73

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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.