Home / 18,979.50-26,191.98-10,596

Finding the Fourth Proportional to 18,979.50, 26,191.98 and 10,596

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Solution

The fourth proportional to 18,979.50, 26,191.98 and 10,596 is: 14,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.50 : 26,191.98 = 10,596 : x
  2. Step 2: Convert to fraction form
    18,979.50/26,191.98 = 10,596/x
  3. Step 3: Cross multiply
    18,979.50x = 26,191.98 × 10,596
  4. Step 4: Simplify right side
    18,979.50x = 277,530,220.08
  5. Step 5: Solve for x
    x = 277,530,220.08/18,979.50
  6. Step 6: Final answer
    x = 14,622.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.