Home / 9,334.28-12,873.66-6,813.56

Finding the Fourth Proportional to 9,334.28, 12,873.66 and 6,813.56

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Solution

The fourth proportional to 9,334.28, 12,873.66 and 6,813.56 is: 9,397.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.28 : 12,873.66 = 6,813.56 : x
  2. Step 2: Convert to fraction form
    9,334.28/12,873.66 = 6,813.56/x
  3. Step 3: Cross multiply
    9,334.28x = 12,873.66 × 6,813.56
  4. Step 4: Simplify right side
    9,334.28x = 87,715,454.83
  5. Step 5: Solve for x
    x = 87,715,454.83/9,334.28
  6. Step 6: Final answer
    x = 9,397.13

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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.