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Finding the Fourth Proportional to 9,963, 14,943.33 and 3,723.21

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Solution

The fourth proportional to 9,963, 14,943.33 and 3,723.21 is: 5,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,963 : 14,943.33 = 3,723.21 : x
  2. Step 2: Convert to fraction form
    9,963/14,943.33 = 3,723.21/x
  3. Step 3: Cross multiply
    9,963x = 14,943.33 × 3,723.21
  4. Step 4: Simplify right side
    9,963x = 55,637,155.69
  5. Step 5: Solve for x
    x = 55,637,155.69/9,963
  6. Step 6: Final answer
    x = 5,584.38

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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.