Home / 15,146.91-22,741.56-7,756.47

Finding the Fourth Proportional to 15,146.91, 22,741.56 and 7,756.47

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Solution

The fourth proportional to 15,146.91, 22,741.56 and 7,756.47 is: 11,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,146.91 : 22,741.56 = 7,756.47 : x
  2. Step 2: Convert to fraction form
    15,146.91/22,741.56 = 7,756.47/x
  3. Step 3: Cross multiply
    15,146.91x = 22,741.56 × 7,756.47
  4. Step 4: Simplify right side
    15,146.91x = 176,394,227.89
  5. Step 5: Solve for x
    x = 176,394,227.89/15,146.91
  6. Step 6: Final answer
    x = 11,645.56

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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.