Home / 11,363.04-15,680.88-6,327.20

Finding the Fourth Proportional to 11,363.04, 15,680.88 and 6,327.20

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Solution

The fourth proportional to 11,363.04, 15,680.88 and 6,327.20 is: 8,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.04 : 15,680.88 = 6,327.20 : x
  2. Step 2: Convert to fraction form
    11,363.04/15,680.88 = 6,327.20/x
  3. Step 3: Cross multiply
    11,363.04x = 15,680.88 × 6,327.20
  4. Step 4: Simplify right side
    11,363.04x = 99,216,063.94
  5. Step 5: Solve for x
    x = 99,216,063.94/11,363.04
  6. Step 6: Final answer
    x = 8,731.47

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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.