Home / 15,074.74-22,576.56-7,660.81

Finding the Fourth Proportional to 15,074.74, 22,576.56 and 7,660.81

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Solution

The fourth proportional to 15,074.74, 22,576.56 and 7,660.81 is: 11,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,074.74 : 22,576.56 = 7,660.81 : x
  2. Step 2: Convert to fraction form
    15,074.74/22,576.56 = 7,660.81/x
  3. Step 3: Cross multiply
    15,074.74x = 22,576.56 × 7,660.81
  4. Step 4: Simplify right side
    15,074.74x = 172,954,736.61
  5. Step 5: Solve for x
    x = 172,954,736.61/15,074.74
  6. Step 6: Final answer
    x = 11,473.15

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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.