Home / 21,226.33-29,294.18-11,795.50

Finding the Fourth Proportional to 21,226.33, 29,294.18 and 11,795.50

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Solution

The fourth proportional to 21,226.33, 29,294.18 and 11,795.50 is: 16,278.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.33 : 29,294.18 = 11,795.50 : x
  2. Step 2: Convert to fraction form
    21,226.33/29,294.18 = 11,795.50/x
  3. Step 3: Cross multiply
    21,226.33x = 29,294.18 × 11,795.50
  4. Step 4: Simplify right side
    21,226.33x = 345,539,500.19
  5. Step 5: Solve for x
    x = 345,539,500.19/21,226.33
  6. Step 6: Final answer
    x = 16,278.82

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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.