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Finding the Fourth Proportional to 9,963.92, 14,941.02 and 5,805.38

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Solution

The fourth proportional to 9,963.92, 14,941.02 and 5,805.38 is: 8,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963.92 : 14,941.02 = 5,805.38 : x
  2. Step 2: Convert to fraction form
    9,963.92/14,941.02 = 5,805.38/x
  3. Step 3: Cross multiply
    9,963.92x = 14,941.02 × 5,805.38
  4. Step 4: Simplify right side
    9,963.92x = 86,738,298.69
  5. Step 5: Solve for x
    x = 86,738,298.69/9,963.92
  6. Step 6: Final answer
    x = 8,705.24

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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.