Home / 18,219.26-27,333.48-6,371.66

Finding the Fourth Proportional to 18,219.26, 27,333.48 and 6,371.66

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Solution

The fourth proportional to 18,219.26, 27,333.48 and 6,371.66 is: 9,559.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.26 : 27,333.48 = 6,371.66 : x
  2. Step 2: Convert to fraction form
    18,219.26/27,333.48 = 6,371.66/x
  3. Step 3: Cross multiply
    18,219.26x = 27,333.48 × 6,371.66
  4. Step 4: Simplify right side
    18,219.26x = 174,159,641.18
  5. Step 5: Solve for x
    x = 174,159,641.18/18,219.26
  6. Step 6: Final answer
    x = 9,559.10

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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.