Home / 9,687.03-14,531.85-3,115.23

Finding the Fourth Proportional to 9,687.03, 14,531.85 and 3,115.23

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Solution

The fourth proportional to 9,687.03, 14,531.85 and 3,115.23 is: 4,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.03 : 14,531.85 = 3,115.23 : x
  2. Step 2: Convert to fraction form
    9,687.03/14,531.85 = 3,115.23/x
  3. Step 3: Cross multiply
    9,687.03x = 14,531.85 × 3,115.23
  4. Step 4: Simplify right side
    9,687.03x = 45,269,966.84
  5. Step 5: Solve for x
    x = 45,269,966.84/9,687.03
  6. Step 6: Final answer
    x = 4,673.26

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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.