Home / 19,084.12-28,634.38-9,230.76

Finding the Fourth Proportional to 19,084.12, 28,634.38 and 9,230.76

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Solution

The fourth proportional to 19,084.12, 28,634.38 and 9,230.76 is: 13,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084.12 : 28,634.38 = 9,230.76 : x
  2. Step 2: Convert to fraction form
    19,084.12/28,634.38 = 9,230.76/x
  3. Step 3: Cross multiply
    19,084.12x = 28,634.38 × 9,230.76
  4. Step 4: Simplify right side
    19,084.12x = 264,317,089.53
  5. Step 5: Solve for x
    x = 264,317,089.53/19,084.12
  6. Step 6: Final answer
    x = 13,850.11

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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.