Home / 10,221.12-15,333.30-3,294

Finding the Fourth Proportional to 10,221.12, 15,333.30 and 3,294

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Solution

The fourth proportional to 10,221.12, 15,333.30 and 3,294 is: 4,941.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.12 : 15,333.30 = 3,294 : x
  2. Step 2: Convert to fraction form
    10,221.12/15,333.30 = 3,294/x
  3. Step 3: Cross multiply
    10,221.12x = 15,333.30 × 3,294
  4. Step 4: Simplify right side
    10,221.12x = 50,507,890.20
  5. Step 5: Solve for x
    x = 50,507,890.20/10,221.12
  6. Step 6: Final answer
    x = 4,941.52

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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.