Home / 12,226.66-18,342.36-5,206.56

Finding the Fourth Proportional to 12,226.66, 18,342.36 and 5,206.56

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Solution

The fourth proportional to 12,226.66, 18,342.36 and 5,206.56 is: 7,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.66 : 18,342.36 = 5,206.56 : x
  2. Step 2: Convert to fraction form
    12,226.66/18,342.36 = 5,206.56/x
  3. Step 3: Cross multiply
    12,226.66x = 18,342.36 × 5,206.56
  4. Step 4: Simplify right side
    12,226.66x = 95,500,597.88
  5. Step 5: Solve for x
    x = 95,500,597.88/12,226.66
  6. Step 6: Final answer
    x = 7,810.85

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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.