Home / 11,363.14-15,680.64-6,326.92

Finding the Fourth Proportional to 11,363.14, 15,680.64 and 6,326.92

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Solution

The fourth proportional to 11,363.14, 15,680.64 and 6,326.92 is: 8,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.14 : 15,680.64 = 6,326.92 : x
  2. Step 2: Convert to fraction form
    11,363.14/15,680.64 = 6,326.92/x
  3. Step 3: Cross multiply
    11,363.14x = 15,680.64 × 6,326.92
  4. Step 4: Simplify right side
    11,363.14x = 99,210,154.83
  5. Step 5: Solve for x
    x = 99,210,154.83/11,363.14
  6. Step 6: Final answer
    x = 8,730.87

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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.