Home / 10,511.76-15,769.17-4,886.73

Finding the Fourth Proportional to 10,511.76, 15,769.17 and 4,886.73

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Solution

The fourth proportional to 10,511.76, 15,769.17 and 4,886.73 is: 7,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.76 : 15,769.17 = 4,886.73 : x
  2. Step 2: Convert to fraction form
    10,511.76/15,769.17 = 4,886.73/x
  3. Step 3: Cross multiply
    10,511.76x = 15,769.17 × 4,886.73
  4. Step 4: Simplify right side
    10,511.76x = 77,059,676.11
  5. Step 5: Solve for x
    x = 77,059,676.11/10,511.76
  6. Step 6: Final answer
    x = 7,330.81

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1.5x scale

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.