Home / 15,144.39-22,708.95-8,821.30

Finding the Fourth Proportional to 15,144.39, 22,708.95 and 8,821.30

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Solution

The fourth proportional to 15,144.39, 22,708.95 and 8,821.30 is: 13,227.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.39 : 22,708.95 = 8,821.30 : x
  2. Step 2: Convert to fraction form
    15,144.39/22,708.95 = 8,821.30/x
  3. Step 3: Cross multiply
    15,144.39x = 22,708.95 × 8,821.30
  4. Step 4: Simplify right side
    15,144.39x = 200,322,539.46
  5. Step 5: Solve for x
    x = 200,322,539.46/15,144.39
  6. Step 6: Final answer
    x = 13,227.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.