Home / 12,228.98-18,338.81-5,204.55

Finding the Fourth Proportional to 12,228.98, 18,338.81 and 5,204.55

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Solution

The fourth proportional to 12,228.98, 18,338.81 and 5,204.55 is: 7,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228.98 : 18,338.81 = 5,204.55 : x
  2. Step 2: Convert to fraction form
    12,228.98/18,338.81 = 5,204.55/x
  3. Step 3: Cross multiply
    12,228.98x = 18,338.81 × 5,204.55
  4. Step 4: Simplify right side
    12,228.98x = 95,445,296.33
  5. Step 5: Solve for x
    x = 95,445,296.33/12,228.98
  6. Step 6: Final answer
    x = 7,804.85

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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.