Home / 10,090.11-15,125.45-3,162.99

Finding the Fourth Proportional to 10,090.11, 15,125.45 and 3,162.99

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Solution

The fourth proportional to 10,090.11, 15,125.45 and 3,162.99 is: 4,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.11 : 15,125.45 = 3,162.99 : x
  2. Step 2: Convert to fraction form
    10,090.11/15,125.45 = 3,162.99/x
  3. Step 3: Cross multiply
    10,090.11x = 15,125.45 × 3,162.99
  4. Step 4: Simplify right side
    10,090.11x = 47,841,631.28
  5. Step 5: Solve for x
    x = 47,841,631.28/10,090.11
  6. Step 6: Final answer
    x = 4,741.44

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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.