Home / 10,129.24-15,193.77-3,553.89

Finding the Fourth Proportional to 10,129.24, 15,193.77 and 3,553.89

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Solution

The fourth proportional to 10,129.24, 15,193.77 and 3,553.89 is: 5,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.24 : 15,193.77 = 3,553.89 : x
  2. Step 2: Convert to fraction form
    10,129.24/15,193.77 = 3,553.89/x
  3. Step 3: Cross multiply
    10,129.24x = 15,193.77 × 3,553.89
  4. Step 4: Simplify right side
    10,129.24x = 53,996,911.30
  5. Step 5: Solve for x
    x = 53,996,911.30/10,129.24
  6. Step 6: Final answer
    x = 5,330.80

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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.