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Finding the Fourth Proportional to 14,163.71, 21,204.03 and 9,932.29

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Solution

The fourth proportional to 14,163.71, 21,204.03 and 9,932.29 is: 14,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.71 : 21,204.03 = 9,932.29 : x
  2. Step 2: Convert to fraction form
    14,163.71/21,204.03 = 9,932.29/x
  3. Step 3: Cross multiply
    14,163.71x = 21,204.03 × 9,932.29
  4. Step 4: Simplify right side
    14,163.71x = 210,604,575.13
  5. Step 5: Solve for x
    x = 210,604,575.13/14,163.71
  6. Step 6: Final answer
    x = 14,869.31

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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.