Home / 18,693.39-28,053.99-8,835.69

Finding the Fourth Proportional to 18,693.39, 28,053.99 and 8,835.69

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Solution

The fourth proportional to 18,693.39, 28,053.99 and 8,835.69 is: 13,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.39 : 28,053.99 = 8,835.69 : x
  2. Step 2: Convert to fraction form
    18,693.39/28,053.99 = 8,835.69/x
  3. Step 3: Cross multiply
    18,693.39x = 28,053.99 × 8,835.69
  4. Step 4: Simplify right side
    18,693.39x = 247,876,358.90
  5. Step 5: Solve for x
    x = 247,876,358.90/18,693.39
  6. Step 6: Final answer
    x = 13,260.11

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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.