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Finding the Fourth Proportional to 14,523.63, 20,042.28 and 8,555.55

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Solution

The fourth proportional to 14,523.63, 20,042.28 and 8,555.55 is: 11,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.63 : 20,042.28 = 8,555.55 : x
  2. Step 2: Convert to fraction form
    14,523.63/20,042.28 = 8,555.55/x
  3. Step 3: Cross multiply
    14,523.63x = 20,042.28 × 8,555.55
  4. Step 4: Simplify right side
    14,523.63x = 171,472,728.65
  5. Step 5: Solve for x
    x = 171,472,728.65/14,523.63
  6. Step 6: Final answer
    x = 11,806.46

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