Home / 12,226.12-18,332.30-3,904.18

Finding the Fourth Proportional to 12,226.12, 18,332.30 and 3,904.18

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Solution

The fourth proportional to 12,226.12, 18,332.30 and 3,904.18 is: 5,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.12 : 18,332.30 = 3,904.18 : x
  2. Step 2: Convert to fraction form
    12,226.12/18,332.30 = 3,904.18/x
  3. Step 3: Cross multiply
    12,226.12x = 18,332.30 × 3,904.18
  4. Step 4: Simplify right side
    12,226.12x = 71,572,579.49
  5. Step 5: Solve for x
    x = 71,572,579.49/12,226.12
  6. Step 6: Final answer
    x = 5,854.07

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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.