Home / 19,182.68-28,766.46-9,319.04

Finding the Fourth Proportional to 19,182.68, 28,766.46 and 9,319.04

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Solution

The fourth proportional to 19,182.68, 28,766.46 and 9,319.04 is: 13,974.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,182.68 : 28,766.46 = 9,319.04 : x
  2. Step 2: Convert to fraction form
    19,182.68/28,766.46 = 9,319.04/x
  3. Step 3: Cross multiply
    19,182.68x = 28,766.46 × 9,319.04
  4. Step 4: Simplify right side
    19,182.68x = 268,075,791.40
  5. Step 5: Solve for x
    x = 268,075,791.40/19,182.68
  6. Step 6: Final answer
    x = 13,974.89

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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.