Home / 8,013.18-11,063.66-5,187.39

Finding the Fourth Proportional to 8,013.18, 11,063.66 and 5,187.39

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Solution

The fourth proportional to 8,013.18, 11,063.66 and 5,187.39 is: 7,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.18 : 11,063.66 = 5,187.39 : x
  2. Step 2: Convert to fraction form
    8,013.18/11,063.66 = 5,187.39/x
  3. Step 3: Cross multiply
    8,013.18x = 11,063.66 × 5,187.39
  4. Step 4: Simplify right side
    8,013.18x = 57,391,493.31
  5. Step 5: Solve for x
    x = 57,391,493.31/8,013.18
  6. Step 6: Final answer
    x = 7,162.14

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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.