Home / 8,775.50-13,148.66-6,172.97

Finding the Fourth Proportional to 8,775.50, 13,148.66 and 6,172.97

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Solution

The fourth proportional to 8,775.50, 13,148.66 and 6,172.97 is: 9,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.50 : 13,148.66 = 6,172.97 : x
  2. Step 2: Convert to fraction form
    8,775.50/13,148.66 = 6,172.97/x
  3. Step 3: Cross multiply
    8,775.50x = 13,148.66 × 6,172.97
  4. Step 4: Simplify right side
    8,775.50x = 81,166,187.11
  5. Step 5: Solve for x
    x = 81,166,187.11/8,775.50
  6. Step 6: Final answer
    x = 9,249.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.