Home / 12,227.98-18,343.19-4,437.40

Finding the Fourth Proportional to 12,227.98, 18,343.19 and 4,437.40

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Solution

The fourth proportional to 12,227.98, 18,343.19 and 4,437.40 is: 6,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.98 : 18,343.19 = 4,437.40 : x
  2. Step 2: Convert to fraction form
    12,227.98/18,343.19 = 4,437.40/x
  3. Step 3: Cross multiply
    12,227.98x = 18,343.19 × 4,437.40
  4. Step 4: Simplify right side
    12,227.98x = 81,396,071.31
  5. Step 5: Solve for x
    x = 81,396,071.31/12,227.98
  6. Step 6: Final answer
    x = 6,656.54

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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.