Home / 10,618.96-15,930.32-4,045.76

Finding the Fourth Proportional to 10,618.96, 15,930.32 and 4,045.76

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Solution

The fourth proportional to 10,618.96, 15,930.32 and 4,045.76 is: 6,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.96 : 15,930.32 = 4,045.76 : x
  2. Step 2: Convert to fraction form
    10,618.96/15,930.32 = 4,045.76/x
  3. Step 3: Cross multiply
    10,618.96x = 15,930.32 × 4,045.76
  4. Step 4: Simplify right side
    10,618.96x = 64,450,251.44
  5. Step 5: Solve for x
    x = 64,450,251.44/10,618.96
  6. Step 6: Final answer
    x = 6,069.36

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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.