Home / 10,824.24-16,235.85-3,429.12

Finding the Fourth Proportional to 10,824.24, 16,235.85 and 3,429.12

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Solution

The fourth proportional to 10,824.24, 16,235.85 and 3,429.12 is: 5,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,824.24 : 16,235.85 = 3,429.12 : x
  2. Step 2: Convert to fraction form
    10,824.24/16,235.85 = 3,429.12/x
  3. Step 3: Cross multiply
    10,824.24x = 16,235.85 × 3,429.12
  4. Step 4: Simplify right side
    10,824.24x = 55,674,677.95
  5. Step 5: Solve for x
    x = 55,674,677.95/10,824.24
  6. Step 6: Final answer
    x = 5,143.52

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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.