Home / 11,333.68-15,639.92-6,298.20

Finding the Fourth Proportional to 11,333.68, 15,639.92 and 6,298.20

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Solution

The fourth proportional to 11,333.68, 15,639.92 and 6,298.20 is: 8,691.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.68 : 15,639.92 = 6,298.20 : x
  2. Step 2: Convert to fraction form
    11,333.68/15,639.92 = 6,298.20/x
  3. Step 3: Cross multiply
    11,333.68x = 15,639.92 × 6,298.20
  4. Step 4: Simplify right side
    11,333.68x = 98,503,344.14
  5. Step 5: Solve for x
    x = 98,503,344.14/11,333.68
  6. Step 6: Final answer
    x = 8,691.21

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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.