Home / 10,819.95-14,932.53-6,789.66

Finding the Fourth Proportional to 10,819.95, 14,932.53 and 6,789.66

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Solution

The fourth proportional to 10,819.95, 14,932.53 and 6,789.66 is: 9,370.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.95 : 14,932.53 = 6,789.66 : x
  2. Step 2: Convert to fraction form
    10,819.95/14,932.53 = 6,789.66/x
  3. Step 3: Cross multiply
    10,819.95x = 14,932.53 × 6,789.66
  4. Step 4: Simplify right side
    10,819.95x = 101,386,801.64
  5. Step 5: Solve for x
    x = 101,386,801.64/10,819.95
  6. Step 6: Final answer
    x = 9,370.36

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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.