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Finding the Fourth Proportional to 9,376.56, 14,060.74 and 4,447.61

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Solution

The fourth proportional to 9,376.56, 14,060.74 and 4,447.61 is: 6,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.56 : 14,060.74 = 4,447.61 : x
  2. Step 2: Convert to fraction form
    9,376.56/14,060.74 = 4,447.61/x
  3. Step 3: Cross multiply
    9,376.56x = 14,060.74 × 4,447.61
  4. Step 4: Simplify right side
    9,376.56x = 62,536,687.83
  5. Step 5: Solve for x
    x = 62,536,687.83/9,376.56
  6. Step 6: Final answer
    x = 6,669.47

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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.