Home / 13,389.56-20,084.44-5,486.52

Finding the Fourth Proportional to 13,389.56, 20,084.44 and 5,486.52

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Solution

The fourth proportional to 13,389.56, 20,084.44 and 5,486.52 is: 8,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.56 : 20,084.44 = 5,486.52 : x
  2. Step 2: Convert to fraction form
    13,389.56/20,084.44 = 5,486.52/x
  3. Step 3: Cross multiply
    13,389.56x = 20,084.44 × 5,486.52
  4. Step 4: Simplify right side
    13,389.56x = 110,193,681.75
  5. Step 5: Solve for x
    x = 110,193,681.75/13,389.56
  6. Step 6: Final answer
    x = 8,229.82

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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.