Home / 9,204.72-13,781.16-7,004.40

Finding the Fourth Proportional to 9,204.72, 13,781.16 and 7,004.40

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Solution

The fourth proportional to 9,204.72, 13,781.16 and 7,004.40 is: 10,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,204.72 : 13,781.16 = 7,004.40 : x
  2. Step 2: Convert to fraction form
    9,204.72/13,781.16 = 7,004.40/x
  3. Step 3: Cross multiply
    9,204.72x = 13,781.16 × 7,004.40
  4. Step 4: Simplify right side
    9,204.72x = 96,528,757.10
  5. Step 5: Solve for x
    x = 96,528,757.10/9,204.72
  6. Step 6: Final answer
    x = 10,486.88

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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.