Home / 9,330.68-12,876.11-5,351.54

Finding the Fourth Proportional to 9,330.68, 12,876.11 and 5,351.54

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Solution

The fourth proportional to 9,330.68, 12,876.11 and 5,351.54 is: 7,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.68 : 12,876.11 = 5,351.54 : x
  2. Step 2: Convert to fraction form
    9,330.68/12,876.11 = 5,351.54/x
  3. Step 3: Cross multiply
    9,330.68x = 12,876.11 × 5,351.54
  4. Step 4: Simplify right side
    9,330.68x = 68,906,926.57
  5. Step 5: Solve for x
    x = 68,906,926.57/9,330.68
  6. Step 6: Final answer
    x = 7,384.99

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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.