Home / 11,069.11-16,561.54-6,142.69

Finding the Fourth Proportional to 11,069.11, 16,561.54 and 6,142.69

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Solution

The fourth proportional to 11,069.11, 16,561.54 and 6,142.69 is: 9,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.11 : 16,561.54 = 6,142.69 : x
  2. Step 2: Convert to fraction form
    11,069.11/16,561.54 = 6,142.69/x
  3. Step 3: Cross multiply
    11,069.11x = 16,561.54 × 6,142.69
  4. Step 4: Simplify right side
    11,069.11x = 101,732,406.14
  5. Step 5: Solve for x
    x = 101,732,406.14/11,069.11
  6. Step 6: Final answer
    x = 9,190.66

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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.