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Finding the Fourth Proportional to 14,562.78, 20,100.52 and 8,596.52

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Solution

The fourth proportional to 14,562.78, 20,100.52 and 8,596.52 is: 11,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.78 : 20,100.52 = 8,596.52 : x
  2. Step 2: Convert to fraction form
    14,562.78/20,100.52 = 8,596.52/x
  3. Step 3: Cross multiply
    14,562.78x = 20,100.52 × 8,596.52
  4. Step 4: Simplify right side
    14,562.78x = 172,794,522.19
  5. Step 5: Solve for x
    x = 172,794,522.19/14,562.78
  6. Step 6: Final answer
    x = 11,865.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.