Home / 16,651.36-24,989.19-12,280.60

Finding the Fourth Proportional to 16,651.36, 24,989.19 and 12,280.60

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Solution

The fourth proportional to 16,651.36, 24,989.19 and 12,280.60 is: 18,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,651.36 : 24,989.19 = 12,280.60 : x
  2. Step 2: Convert to fraction form
    16,651.36/24,989.19 = 12,280.60/x
  3. Step 3: Cross multiply
    16,651.36x = 24,989.19 × 12,280.60
  4. Step 4: Simplify right side
    16,651.36x = 306,882,246.71
  5. Step 5: Solve for x
    x = 306,882,246.71/16,651.36
  6. Step 6: Final answer
    x = 18,429.86

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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.