Home / 12,246.72-18,341.44-8,951.52

Finding the Fourth Proportional to 12,246.72, 18,341.44 and 8,951.52

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Solution

The fourth proportional to 12,246.72, 18,341.44 and 8,951.52 is: 13,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.72 : 18,341.44 = 8,951.52 : x
  2. Step 2: Convert to fraction form
    12,246.72/18,341.44 = 8,951.52/x
  3. Step 3: Cross multiply
    12,246.72x = 18,341.44 × 8,951.52
  4. Step 4: Simplify right side
    12,246.72x = 164,183,766.99
  5. Step 5: Solve for x
    x = 164,183,766.99/12,246.72
  6. Step 6: Final answer
    x = 13,406.35

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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.