Home / 22,279.07-30,744.71-13,210.54

Finding the Fourth Proportional to 22,279.07, 30,744.71 and 13,210.54

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Solution

The fourth proportional to 22,279.07, 30,744.71 and 13,210.54 is: 18,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,279.07 : 30,744.71 = 13,210.54 : x
  2. Step 2: Convert to fraction form
    22,279.07/30,744.71 = 13,210.54/x
  3. Step 3: Cross multiply
    22,279.07x = 30,744.71 × 13,210.54
  4. Step 4: Simplify right side
    22,279.07x = 406,154,177.41
  5. Step 5: Solve for x
    x = 406,154,177.41/22,279.07
  6. Step 6: Final answer
    x = 18,230.30

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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.