Home / 21,202.29-29,259.50-11,770.95

Finding the Fourth Proportional to 21,202.29, 29,259.50 and 11,770.95

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Solution

The fourth proportional to 21,202.29, 29,259.50 and 11,770.95 is: 16,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,202.29 : 29,259.50 = 11,770.95 : x
  2. Step 2: Convert to fraction form
    21,202.29/29,259.50 = 11,770.95/x
  3. Step 3: Cross multiply
    21,202.29x = 29,259.50 × 11,770.95
  4. Step 4: Simplify right side
    21,202.29x = 344,412,052.67
  5. Step 5: Solve for x
    x = 344,412,052.67/21,202.29
  6. Step 6: Final answer
    x = 16,244.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.