Home / 10,219.53-15,329.26-2,823.98

Finding the Fourth Proportional to 10,219.53, 15,329.26 and 2,823.98

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Solution

The fourth proportional to 10,219.53, 15,329.26 and 2,823.98 is: 4,235.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.53 : 15,329.26 = 2,823.98 : x
  2. Step 2: Convert to fraction form
    10,219.53/15,329.26 = 2,823.98/x
  3. Step 3: Cross multiply
    10,219.53x = 15,329.26 × 2,823.98
  4. Step 4: Simplify right side
    10,219.53x = 43,289,439.95
  5. Step 5: Solve for x
    x = 43,289,439.95/10,219.53
  6. Step 6: Final answer
    x = 4,235.95

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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.