Home / 9,301.30-13,928.49-6,171.80

Finding the Fourth Proportional to 9,301.30, 13,928.49 and 6,171.80

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Solution

The fourth proportional to 9,301.30, 13,928.49 and 6,171.80 is: 9,242.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.30 : 13,928.49 = 6,171.80 : x
  2. Step 2: Convert to fraction form
    9,301.30/13,928.49 = 6,171.80/x
  3. Step 3: Cross multiply
    9,301.30x = 13,928.49 × 6,171.80
  4. Step 4: Simplify right side
    9,301.30x = 85,963,784.94
  5. Step 5: Solve for x
    x = 85,963,784.94/9,301.30
  6. Step 6: Final answer
    x = 9,242.13

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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.