Home / 12,227.08-18,338.28-3,459.88

Finding the Fourth Proportional to 12,227.08, 18,338.28 and 3,459.88

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Solution

The fourth proportional to 12,227.08, 18,338.28 and 3,459.88 is: 5,189.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.08 : 18,338.28 = 3,459.88 : x
  2. Step 2: Convert to fraction form
    12,227.08/18,338.28 = 3,459.88/x
  3. Step 3: Cross multiply
    12,227.08x = 18,338.28 × 3,459.88
  4. Step 4: Simplify right side
    12,227.08x = 63,448,248.21
  5. Step 5: Solve for x
    x = 63,448,248.21/12,227.08
  6. Step 6: Final answer
    x = 5,189.16

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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.