Home / 10,856.70-16,292.84-4,621.10

Finding the Fourth Proportional to 10,856.70, 16,292.84 and 4,621.10

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Solution

The fourth proportional to 10,856.70, 16,292.84 and 4,621.10 is: 6,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.70 : 16,292.84 = 4,621.10 : x
  2. Step 2: Convert to fraction form
    10,856.70/16,292.84 = 4,621.10/x
  3. Step 3: Cross multiply
    10,856.70x = 16,292.84 × 4,621.10
  4. Step 4: Simplify right side
    10,856.70x = 75,290,842.92
  5. Step 5: Solve for x
    x = 75,290,842.92/10,856.70
  6. Step 6: Final answer
    x = 6,934.97

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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.