Home / 19,310.11-28,963.72-5,983.20

Finding the Fourth Proportional to 19,310.11, 28,963.72 and 5,983.20

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Solution

The fourth proportional to 19,310.11, 28,963.72 and 5,983.20 is: 8,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.11 : 28,963.72 = 5,983.20 : x
  2. Step 2: Convert to fraction form
    19,310.11/28,963.72 = 5,983.20/x
  3. Step 3: Cross multiply
    19,310.11x = 28,963.72 × 5,983.20
  4. Step 4: Simplify right side
    19,310.11x = 173,295,848.96
  5. Step 5: Solve for x
    x = 173,295,848.96/19,310.11
  6. Step 6: Final answer
    x = 8,974.36

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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.