Home / 9,077.31-13,638.87-8,708.27

Finding the Fourth Proportional to 9,077.31, 13,638.87 and 8,708.27

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Solution

The fourth proportional to 9,077.31, 13,638.87 and 8,708.27 is: 13,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,077.31 : 13,638.87 = 8,708.27 : x
  2. Step 2: Convert to fraction form
    9,077.31/13,638.87 = 8,708.27/x
  3. Step 3: Cross multiply
    9,077.31x = 13,638.87 × 8,708.27
  4. Step 4: Simplify right side
    9,077.31x = 118,770,894.26
  5. Step 5: Solve for x
    x = 118,770,894.26/9,077.31
  6. Step 6: Final answer
    x = 13,084.37

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1.5x scale

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.