Home / 19,319.89-28,983.98-5,992.61

Finding the Fourth Proportional to 19,319.89, 28,983.98 and 5,992.61

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Solution

The fourth proportional to 19,319.89, 28,983.98 and 5,992.61 is: 8,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.89 : 28,983.98 = 5,992.61 : x
  2. Step 2: Convert to fraction form
    19,319.89/28,983.98 = 5,992.61/x
  3. Step 3: Cross multiply
    19,319.89x = 28,983.98 × 5,992.61
  4. Step 4: Simplify right side
    19,319.89x = 173,689,606.26
  5. Step 5: Solve for x
    x = 173,689,606.26/19,319.89
  6. Step 6: Final answer
    x = 8,990.20

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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.