Home / 12,846.43-19,269.63-5,445.70

Finding the Fourth Proportional to 12,846.43, 19,269.63 and 5,445.70

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Solution

The fourth proportional to 12,846.43, 19,269.63 and 5,445.70 is: 8,168.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,846.43 : 19,269.63 = 5,445.70 : x
  2. Step 2: Convert to fraction form
    12,846.43/19,269.63 = 5,445.70/x
  3. Step 3: Cross multiply
    12,846.43x = 19,269.63 × 5,445.70
  4. Step 4: Simplify right side
    12,846.43x = 104,936,527.74
  5. Step 5: Solve for x
    x = 104,936,527.74/12,846.43
  6. Step 6: Final answer
    x = 8,168.54

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Similar ratio
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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.