Home / 9,288.86-13,938.08-6,171.02

Finding the Fourth Proportional to 9,288.86, 13,938.08 and 6,171.02

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Solution

The fourth proportional to 9,288.86, 13,938.08 and 6,171.02 is: 9,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.86 : 13,938.08 = 6,171.02 : x
  2. Step 2: Convert to fraction form
    9,288.86/13,938.08 = 6,171.02/x
  3. Step 3: Cross multiply
    9,288.86x = 13,938.08 × 6,171.02
  4. Step 4: Simplify right side
    9,288.86x = 86,012,170.44
  5. Step 5: Solve for x
    x = 86,012,170.44/9,288.86
  6. Step 6: Final answer
    x = 9,259.71

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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.