Home / 10,901.70-16,354.97-3,976.20

Finding the Fourth Proportional to 10,901.70, 16,354.97 and 3,976.20

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Solution

The fourth proportional to 10,901.70, 16,354.97 and 3,976.20 is: 5,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.70 : 16,354.97 = 3,976.20 : x
  2. Step 2: Convert to fraction form
    10,901.70/16,354.97 = 3,976.20/x
  3. Step 3: Cross multiply
    10,901.70x = 16,354.97 × 3,976.20
  4. Step 4: Simplify right side
    10,901.70x = 65,030,631.71
  5. Step 5: Solve for x
    x = 65,030,631.71/10,901.70
  6. Step 6: Final answer
    x = 5,965.18

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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.