Home / 36,091.69-54,143.72-12,398.11

Finding the Fourth Proportional to 36,091.69, 54,143.72 and 12,398.11

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Solution

The fourth proportional to 36,091.69, 54,143.72 and 12,398.11 is: 18,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,091.69 : 54,143.72 = 12,398.11 : x
  2. Step 2: Convert to fraction form
    36,091.69/54,143.72 = 12,398.11/x
  3. Step 3: Cross multiply
    36,091.69x = 54,143.72 × 12,398.11
  4. Step 4: Simplify right side
    36,091.69x = 671,279,796.37
  5. Step 5: Solve for x
    x = 671,279,796.37/36,091.69
  6. Step 6: Final answer
    x = 18,599.29

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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.