Home / 18,887.33-28,292.11-11,077.31

Finding the Fourth Proportional to 18,887.33, 28,292.11 and 11,077.31

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Solution

The fourth proportional to 18,887.33, 28,292.11 and 11,077.31 is: 16,593.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887.33 : 28,292.11 = 11,077.31 : x
  2. Step 2: Convert to fraction form
    18,887.33/28,292.11 = 11,077.31/x
  3. Step 3: Cross multiply
    18,887.33x = 28,292.11 × 11,077.31
  4. Step 4: Simplify right side
    18,887.33x = 313,400,516.06
  5. Step 5: Solve for x
    x = 313,400,516.06/18,887.33
  6. Step 6: Final answer
    x = 16,593.16

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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.