Home / 11,253.20-15,528.87-6,217.46

Finding the Fourth Proportional to 11,253.20, 15,528.87 and 6,217.46

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Solution

The fourth proportional to 11,253.20, 15,528.87 and 6,217.46 is: 8,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.20 : 15,528.87 = 6,217.46 : x
  2. Step 2: Convert to fraction form
    11,253.20/15,528.87 = 6,217.46/x
  3. Step 3: Cross multiply
    11,253.20x = 15,528.87 × 6,217.46
  4. Step 4: Simplify right side
    11,253.20x = 96,550,050.43
  5. Step 5: Solve for x
    x = 96,550,050.43/11,253.20
  6. Step 6: Final answer
    x = 8,579.79

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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.