Home / 10,817.54-16,216.28-4,243.78

Finding the Fourth Proportional to 10,817.54, 16,216.28 and 4,243.78

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Solution

The fourth proportional to 10,817.54, 16,216.28 and 4,243.78 is: 6,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,817.54 : 16,216.28 = 4,243.78 : x
  2. Step 2: Convert to fraction form
    10,817.54/16,216.28 = 4,243.78/x
  3. Step 3: Cross multiply
    10,817.54x = 16,216.28 × 4,243.78
  4. Step 4: Simplify right side
    10,817.54x = 68,818,324.74
  5. Step 5: Solve for x
    x = 68,818,324.74/10,817.54
  6. Step 6: Final answer
    x = 6,361.74

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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.