Home / 13,585.36-18,747.12-7,996

Finding the Fourth Proportional to 13,585.36, 18,747.12 and 7,996

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Solution

The fourth proportional to 13,585.36, 18,747.12 and 7,996 is: 11,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.36 : 18,747.12 = 7,996 : x
  2. Step 2: Convert to fraction form
    13,585.36/18,747.12 = 7,996/x
  3. Step 3: Cross multiply
    13,585.36x = 18,747.12 × 7,996
  4. Step 4: Simplify right side
    13,585.36x = 149,901,971.52
  5. Step 5: Solve for x
    x = 149,901,971.52/13,585.36
  6. Step 6: Final answer
    x = 11,034.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.