Home / 10,219.14-15,329.36-2,722.58

Finding the Fourth Proportional to 10,219.14, 15,329.36 and 2,722.58

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Solution

The fourth proportional to 10,219.14, 15,329.36 and 2,722.58 is: 4,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.14 : 15,329.36 = 2,722.58 : x
  2. Step 2: Convert to fraction form
    10,219.14/15,329.36 = 2,722.58/x
  3. Step 3: Cross multiply
    10,219.14x = 15,329.36 × 2,722.58
  4. Step 4: Simplify right side
    10,219.14x = 41,735,396.59
  5. Step 5: Solve for x
    x = 41,735,396.59/10,219.14
  6. Step 6: Final answer
    x = 4,084.04

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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.