Home / 22,350.29-30,844.06-12,279.35

Finding the Fourth Proportional to 22,350.29, 30,844.06 and 12,279.35

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Solution

The fourth proportional to 22,350.29, 30,844.06 and 12,279.35 is: 16,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,350.29 : 30,844.06 = 12,279.35 : x
  2. Step 2: Convert to fraction form
    22,350.29/30,844.06 = 12,279.35/x
  3. Step 3: Cross multiply
    22,350.29x = 30,844.06 × 12,279.35
  4. Step 4: Simplify right side
    22,350.29x = 378,745,054.57
  5. Step 5: Solve for x
    x = 378,745,054.57/22,350.29
  6. Step 6: Final answer
    x = 16,945.87

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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.