Home / 11,089.11-16,628.81-4,158.75

Finding the Fourth Proportional to 11,089.11, 16,628.81 and 4,158.75

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Solution

The fourth proportional to 11,089.11, 16,628.81 and 4,158.75 is: 6,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.11 : 16,628.81 = 4,158.75 : x
  2. Step 2: Convert to fraction form
    11,089.11/16,628.81 = 4,158.75/x
  3. Step 3: Cross multiply
    11,089.11x = 16,628.81 × 4,158.75
  4. Step 4: Simplify right side
    11,089.11x = 69,155,042.79
  5. Step 5: Solve for x
    x = 69,155,042.79/11,089.11
  6. Step 6: Final answer
    x = 6,236.30

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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.