Home / 19,184.43-28,769.09-9,320.79

Finding the Fourth Proportional to 19,184.43, 28,769.09 and 9,320.79

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Solution

The fourth proportional to 19,184.43, 28,769.09 and 9,320.79 is: 13,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184.43 : 28,769.09 = 9,320.79 : x
  2. Step 2: Convert to fraction form
    19,184.43/28,769.09 = 9,320.79/x
  3. Step 3: Cross multiply
    19,184.43x = 28,769.09 × 9,320.79
  4. Step 4: Simplify right side
    19,184.43x = 268,150,599.78
  5. Step 5: Solve for x
    x = 268,150,599.78/19,184.43
  6. Step 6: Final answer
    x = 13,977.51

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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.