Home / 11,020.53-15,205.96-6,545.79

Finding the Fourth Proportional to 11,020.53, 15,205.96 and 6,545.79

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Solution

The fourth proportional to 11,020.53, 15,205.96 and 6,545.79 is: 9,031.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.53 : 15,205.96 = 6,545.79 : x
  2. Step 2: Convert to fraction form
    11,020.53/15,205.96 = 6,545.79/x
  3. Step 3: Cross multiply
    11,020.53x = 15,205.96 × 6,545.79
  4. Step 4: Simplify right side
    11,020.53x = 99,535,029.09
  5. Step 5: Solve for x
    x = 99,535,029.09/11,020.53
  6. Step 6: Final answer
    x = 9,031.78

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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.