Home / 19,097.85-28,639.92-6,614.52

Finding the Fourth Proportional to 19,097.85, 28,639.92 and 6,614.52

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Solution

The fourth proportional to 19,097.85, 28,639.92 and 6,614.52 is: 9,919.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,097.85 : 28,639.92 = 6,614.52 : x
  2. Step 2: Convert to fraction form
    19,097.85/28,639.92 = 6,614.52/x
  3. Step 3: Cross multiply
    19,097.85x = 28,639.92 × 6,614.52
  4. Step 4: Simplify right side
    19,097.85x = 189,439,323.64
  5. Step 5: Solve for x
    x = 189,439,323.64/19,097.85
  6. Step 6: Final answer
    x = 9,919.41

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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.