Home / 8,277.66-11,350.08-8,031.69

Finding the Fourth Proportional to 8,277.66, 11,350.08 and 8,031.69

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Solution

The fourth proportional to 8,277.66, 11,350.08 and 8,031.69 is: 11,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.66 : 11,350.08 = 8,031.69 : x
  2. Step 2: Convert to fraction form
    8,277.66/11,350.08 = 8,031.69/x
  3. Step 3: Cross multiply
    8,277.66x = 11,350.08 × 8,031.69
  4. Step 4: Simplify right side
    8,277.66x = 91,160,324.04
  5. Step 5: Solve for x
    x = 91,160,324.04/8,277.66
  6. Step 6: Final answer
    x = 11,012.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.