Home / 9,212.38-12,713.17-5,020.72

Finding the Fourth Proportional to 9,212.38, 12,713.17 and 5,020.72

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Solution

The fourth proportional to 9,212.38, 12,713.17 and 5,020.72 is: 6,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.38 : 12,713.17 = 5,020.72 : x
  2. Step 2: Convert to fraction form
    9,212.38/12,713.17 = 5,020.72/x
  3. Step 3: Cross multiply
    9,212.38x = 12,713.17 × 5,020.72
  4. Step 4: Simplify right side
    9,212.38x = 63,829,203.32
  5. Step 5: Solve for x
    x = 63,829,203.32/9,212.38
  6. Step 6: Final answer
    x = 6,928.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.