Home / 18,237.89-27,360.08-6,229.39

Finding the Fourth Proportional to 18,237.89, 27,360.08 and 6,229.39

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Solution

The fourth proportional to 18,237.89, 27,360.08 and 6,229.39 is: 9,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.89 : 27,360.08 = 6,229.39 : x
  2. Step 2: Convert to fraction form
    18,237.89/27,360.08 = 6,229.39/x
  3. Step 3: Cross multiply
    18,237.89x = 27,360.08 × 6,229.39
  4. Step 4: Simplify right side
    18,237.89x = 170,436,577.60
  5. Step 5: Solve for x
    x = 170,436,577.60/18,237.89
  6. Step 6: Final answer
    x = 9,345.19

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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.