Home / 12,232.46-18,339.70-3,907.70

Finding the Fourth Proportional to 12,232.46, 18,339.70 and 3,907.70

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Solution

The fourth proportional to 12,232.46, 18,339.70 and 3,907.70 is: 5,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.46 : 18,339.70 = 3,907.70 : x
  2. Step 2: Convert to fraction form
    12,232.46/18,339.70 = 3,907.70/x
  3. Step 3: Cross multiply
    12,232.46x = 18,339.70 × 3,907.70
  4. Step 4: Simplify right side
    12,232.46x = 71,666,045.69
  5. Step 5: Solve for x
    x = 71,666,045.69/12,232.46
  6. Step 6: Final answer
    x = 5,858.68

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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.