Home / 10,934.60-16,401.87-4,690.56

Finding the Fourth Proportional to 10,934.60, 16,401.87 and 4,690.56

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Solution

The fourth proportional to 10,934.60, 16,401.87 and 4,690.56 is: 7,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.60 : 16,401.87 = 4,690.56 : x
  2. Step 2: Convert to fraction form
    10,934.60/16,401.87 = 4,690.56/x
  3. Step 3: Cross multiply
    10,934.60x = 16,401.87 × 4,690.56
  4. Step 4: Simplify right side
    10,934.60x = 76,933,955.35
  5. Step 5: Solve for x
    x = 76,933,955.35/10,934.60
  6. Step 6: Final answer
    x = 7,035.83

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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.