Home / 19,244.79-28,845.27-8,144.55

Finding the Fourth Proportional to 19,244.79, 28,845.27 and 8,144.55

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Solution

The fourth proportional to 19,244.79, 28,845.27 and 8,144.55 is: 12,207.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.79 : 28,845.27 = 8,144.55 : x
  2. Step 2: Convert to fraction form
    19,244.79/28,845.27 = 8,144.55/x
  3. Step 3: Cross multiply
    19,244.79x = 28,845.27 × 8,144.55
  4. Step 4: Simplify right side
    19,244.79x = 234,931,743.78
  5. Step 5: Solve for x
    x = 234,931,743.78/19,244.79
  6. Step 6: Final answer
    x = 12,207.55

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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.