Home / 11,206.60-16,826.10-7,934.20

Finding the Fourth Proportional to 11,206.60, 16,826.10 and 7,934.20

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Solution

The fourth proportional to 11,206.60, 16,826.10 and 7,934.20 is: 11,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.60 : 16,826.10 = 7,934.20 : x
  2. Step 2: Convert to fraction form
    11,206.60/16,826.10 = 7,934.20/x
  3. Step 3: Cross multiply
    11,206.60x = 16,826.10 × 7,934.20
  4. Step 4: Simplify right side
    11,206.60x = 133,501,642.62
  5. Step 5: Solve for x
    x = 133,501,642.62/11,206.60
  6. Step 6: Final answer
    x = 11,912.77

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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.