Home / 12,210.12-18,298.44-8,043.84

Finding the Fourth Proportional to 12,210.12, 18,298.44 and 8,043.84

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Solution

The fourth proportional to 12,210.12, 18,298.44 and 8,043.84 is: 12,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.12 : 18,298.44 = 8,043.84 : x
  2. Step 2: Convert to fraction form
    12,210.12/18,298.44 = 8,043.84/x
  3. Step 3: Cross multiply
    12,210.12x = 18,298.44 × 8,043.84
  4. Step 4: Simplify right side
    12,210.12x = 147,189,723.61
  5. Step 5: Solve for x
    x = 147,189,723.61/12,210.12
  6. Step 6: Final answer
    x = 12,054.73

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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.