Home / 11,253.40-15,529.57-6,217.29

Finding the Fourth Proportional to 11,253.40, 15,529.57 and 6,217.29

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Solution

The fourth proportional to 11,253.40, 15,529.57 and 6,217.29 is: 8,579.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.40 : 15,529.57 = 6,217.29 : x
  2. Step 2: Convert to fraction form
    11,253.40/15,529.57 = 6,217.29/x
  3. Step 3: Cross multiply
    11,253.40x = 15,529.57 × 6,217.29
  4. Step 4: Simplify right side
    11,253.40x = 96,551,840.27
  5. Step 5: Solve for x
    x = 96,551,840.27/11,253.40
  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.