Home / 12,339.83-18,508.37-3,574.74

Finding the Fourth Proportional to 12,339.83, 18,508.37 and 3,574.74

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Solution

The fourth proportional to 12,339.83, 18,508.37 and 3,574.74 is: 5,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.83 : 18,508.37 = 3,574.74 : x
  2. Step 2: Convert to fraction form
    12,339.83/18,508.37 = 3,574.74/x
  3. Step 3: Cross multiply
    12,339.83x = 18,508.37 × 3,574.74
  4. Step 4: Simplify right side
    12,339.83x = 66,162,592.70
  5. Step 5: Solve for x
    x = 66,162,592.70/12,339.83
  6. Step 6: Final answer
    x = 5,361.71

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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.