Home / 10,634.55-15,942.57-4,390.66

Finding the Fourth Proportional to 10,634.55, 15,942.57 and 4,390.66

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Solution

The fourth proportional to 10,634.55, 15,942.57 and 4,390.66 is: 6,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.55 : 15,942.57 = 4,390.66 : x
  2. Step 2: Convert to fraction form
    10,634.55/15,942.57 = 4,390.66/x
  3. Step 3: Cross multiply
    10,634.55x = 15,942.57 × 4,390.66
  4. Step 4: Simplify right side
    10,634.55x = 69,998,404.40
  5. Step 5: Solve for x
    x = 69,998,404.40/10,634.55
  6. Step 6: Final answer
    x = 6,582.17

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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.