Home / 12,546.72-18,819.36-5,626.08

Finding the Fourth Proportional to 12,546.72, 18,819.36 and 5,626.08

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Solution

The fourth proportional to 12,546.72, 18,819.36 and 5,626.08 is: 8,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.72 : 18,819.36 = 5,626.08 : x
  2. Step 2: Convert to fraction form
    12,546.72/18,819.36 = 5,626.08/x
  3. Step 3: Cross multiply
    12,546.72x = 18,819.36 × 5,626.08
  4. Step 4: Simplify right side
    12,546.72x = 105,879,224.91
  5. Step 5: Solve for x
    x = 105,879,224.91/12,546.72
  6. Step 6: Final answer
    x = 8,438.80

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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.