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Finding the Fourth Proportional to 9,884.70, 14,827.05 and 4,039.94

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Solution

The fourth proportional to 9,884.70, 14,827.05 and 4,039.94 is: 6,059.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.70 : 14,827.05 = 4,039.94 : x
  2. Step 2: Convert to fraction form
    9,884.70/14,827.05 = 4,039.94/x
  3. Step 3: Cross multiply
    9,884.70x = 14,827.05 × 4,039.94
  4. Step 4: Simplify right side
    9,884.70x = 59,900,429.44
  5. Step 5: Solve for x
    x = 59,900,429.44/9,884.70
  6. Step 6: Final answer
    x = 6,059.91

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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.