Home / 10,868.28-16,299.36-4,203.24

Finding the Fourth Proportional to 10,868.28, 16,299.36 and 4,203.24

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Solution

The fourth proportional to 10,868.28, 16,299.36 and 4,203.24 is: 6,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.28 : 16,299.36 = 4,203.24 : x
  2. Step 2: Convert to fraction form
    10,868.28/16,299.36 = 4,203.24/x
  3. Step 3: Cross multiply
    10,868.28x = 16,299.36 × 4,203.24
  4. Step 4: Simplify right side
    10,868.28x = 68,510,121.93
  5. Step 5: Solve for x
    x = 68,510,121.93/10,868.28
  6. Step 6: Final answer
    x = 6,303.68

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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.