Home / 13,523.49-20,275.92-7,277.22

Finding the Fourth Proportional to 13,523.49, 20,275.92 and 7,277.22

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Solution

The fourth proportional to 13,523.49, 20,275.92 and 7,277.22 is: 10,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.49 : 20,275.92 = 7,277.22 : x
  2. Step 2: Convert to fraction form
    13,523.49/20,275.92 = 7,277.22/x
  3. Step 3: Cross multiply
    13,523.49x = 20,275.92 × 7,277.22
  4. Step 4: Simplify right side
    13,523.49x = 147,552,330.54
  5. Step 5: Solve for x
    x = 147,552,330.54/13,523.49
  6. Step 6: Final answer
    x = 10,910.82

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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.