Home / 11,581.07-15,982.20-6,545.19

Finding the Fourth Proportional to 11,581.07, 15,982.20 and 6,545.19

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Solution

The fourth proportional to 11,581.07, 15,982.20 and 6,545.19 is: 9,032.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.07 : 15,982.20 = 6,545.19 : x
  2. Step 2: Convert to fraction form
    11,581.07/15,982.20 = 6,545.19/x
  3. Step 3: Cross multiply
    11,581.07x = 15,982.20 × 6,545.19
  4. Step 4: Simplify right side
    11,581.07x = 104,606,535.62
  5. Step 5: Solve for x
    x = 104,606,535.62/11,581.07
  6. Step 6: Final answer
    x = 9,032.54

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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.