Home / 12,109.77-18,164.66-5,534.19

Finding the Fourth Proportional to 12,109.77, 18,164.66 and 5,534.19

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Solution

The fourth proportional to 12,109.77, 18,164.66 and 5,534.19 is: 8,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,109.77 : 18,164.66 = 5,534.19 : x
  2. Step 2: Convert to fraction form
    12,109.77/18,164.66 = 5,534.19/x
  3. Step 3: Cross multiply
    12,109.77x = 18,164.66 × 5,534.19
  4. Step 4: Simplify right side
    12,109.77x = 100,526,652.05
  5. Step 5: Solve for x
    x = 100,526,652.05/12,109.77
  6. Step 6: Final answer
    x = 8,301.29

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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.