Home / 18,591.12-27,888.28-6,107.36

Finding the Fourth Proportional to 18,591.12, 27,888.28 and 6,107.36

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Solution

The fourth proportional to 18,591.12, 27,888.28 and 6,107.36 is: 9,161.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.12 : 27,888.28 = 6,107.36 : x
  2. Step 2: Convert to fraction form
    18,591.12/27,888.28 = 6,107.36/x
  3. Step 3: Cross multiply
    18,591.12x = 27,888.28 × 6,107.36
  4. Step 4: Simplify right side
    18,591.12x = 170,323,765.74
  5. Step 5: Solve for x
    x = 170,323,765.74/18,591.12
  6. Step 6: Final answer
    x = 9,161.57

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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.