Home / 10,812.24-16,211.16-3,885.84

Finding the Fourth Proportional to 10,812.24, 16,211.16 and 3,885.84

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Solution

The fourth proportional to 10,812.24, 16,211.16 and 3,885.84 is: 5,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.24 : 16,211.16 = 3,885.84 : x
  2. Step 2: Convert to fraction form
    10,812.24/16,211.16 = 3,885.84/x
  3. Step 3: Cross multiply
    10,812.24x = 16,211.16 × 3,885.84
  4. Step 4: Simplify right side
    10,812.24x = 62,993,973.97
  5. Step 5: Solve for x
    x = 62,993,973.97/10,812.24
  6. Step 6: Final answer
    x = 5,826.17

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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.