Home / 11,545.64-15,933.05-6,240.44

Finding the Fourth Proportional to 11,545.64, 15,933.05 and 6,240.44

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Solution

The fourth proportional to 11,545.64, 15,933.05 and 6,240.44 is: 8,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.64 : 15,933.05 = 6,240.44 : x
  2. Step 2: Convert to fraction form
    11,545.64/15,933.05 = 6,240.44/x
  3. Step 3: Cross multiply
    11,545.64x = 15,933.05 × 6,240.44
  4. Step 4: Simplify right side
    11,545.64x = 99,429,309.68
  5. Step 5: Solve for x
    x = 99,429,309.68/11,545.64
  6. Step 6: Final answer
    x = 8,611.85

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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.