Home / 19,310.61-28,964.47-5,983.71

Finding the Fourth Proportional to 19,310.61, 28,964.47 and 5,983.71

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Solution

The fourth proportional to 19,310.61, 28,964.47 and 5,983.71 is: 8,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.61 : 28,964.47 = 5,983.71 : x
  2. Step 2: Convert to fraction form
    19,310.61/28,964.47 = 5,983.71/x
  3. Step 3: Cross multiply
    19,310.61x = 28,964.47 × 5,983.71
  4. Step 4: Simplify right side
    19,310.61x = 173,314,843.96
  5. Step 5: Solve for x
    x = 173,314,843.96/19,310.61
  6. Step 6: Final answer
    x = 8,975.11

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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.