Home / 15,012.68-22,515.56-4,481.76

Finding the Fourth Proportional to 15,012.68, 22,515.56 and 4,481.76

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Solution

The fourth proportional to 15,012.68, 22,515.56 and 4,481.76 is: 6,721.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.68 : 22,515.56 = 4,481.76 : x
  2. Step 2: Convert to fraction form
    15,012.68/22,515.56 = 4,481.76/x
  3. Step 3: Cross multiply
    15,012.68x = 22,515.56 × 4,481.76
  4. Step 4: Simplify right side
    15,012.68x = 100,909,336.19
  5. Step 5: Solve for x
    x = 100,909,336.19/15,012.68
  6. Step 6: Final answer
    x = 6,721.61

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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.