Home / 9,401.47-12,964.66-6,217.56

Finding the Fourth Proportional to 9,401.47, 12,964.66 and 6,217.56

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Solution

The fourth proportional to 9,401.47, 12,964.66 and 6,217.56 is: 8,574.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.47 : 12,964.66 = 6,217.56 : x
  2. Step 2: Convert to fraction form
    9,401.47/12,964.66 = 6,217.56/x
  3. Step 3: Cross multiply
    9,401.47x = 12,964.66 × 6,217.56
  4. Step 4: Simplify right side
    9,401.47x = 80,608,535.89
  5. Step 5: Solve for x
    x = 80,608,535.89/9,401.47
  6. Step 6: Final answer
    x = 8,574.04

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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.