Home / 9,153.80-13,729.95-2,914.04

Finding the Fourth Proportional to 9,153.80, 13,729.95 and 2,914.04

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Solution

The fourth proportional to 9,153.80, 13,729.95 and 2,914.04 is: 4,370.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.80 : 13,729.95 = 2,914.04 : x
  2. Step 2: Convert to fraction form
    9,153.80/13,729.95 = 2,914.04/x
  3. Step 3: Cross multiply
    9,153.80x = 13,729.95 × 2,914.04
  4. Step 4: Simplify right side
    9,153.80x = 40,009,554.85
  5. Step 5: Solve for x
    x = 40,009,554.85/9,153.80
  6. Step 6: Final answer
    x = 4,370.82

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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.