Home / 11,253.42-15,529.64-6,217.61

Finding the Fourth Proportional to 11,253.42, 15,529.64 and 6,217.61

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Solution

The fourth proportional to 11,253.42, 15,529.64 and 6,217.61 is: 8,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.42 : 15,529.64 = 6,217.61 : x
  2. Step 2: Convert to fraction form
    11,253.42/15,529.64 = 6,217.61/x
  3. Step 3: Cross multiply
    11,253.42x = 15,529.64 × 6,217.61
  4. Step 4: Simplify right side
    11,253.42x = 96,557,136.22
  5. Step 5: Solve for x
    x = 96,557,136.22/11,253.42
  6. Step 6: Final answer
    x = 8,580.25

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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.