Home / 10,901.88-16,353.90-3,111.84

Finding the Fourth Proportional to 10,901.88, 16,353.90 and 3,111.84

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Solution

The fourth proportional to 10,901.88, 16,353.90 and 3,111.84 is: 4,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.88 : 16,353.90 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    10,901.88/16,353.90 = 3,111.84/x
  3. Step 3: Cross multiply
    10,901.88x = 16,353.90 × 3,111.84
  4. Step 4: Simplify right side
    10,901.88x = 50,890,720.18
  5. Step 5: Solve for x
    x = 50,890,720.18/10,901.88
  6. Step 6: Final answer
    x = 4,668.07

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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.