Home / 10,181.14-15,266.58-3,606.40

Finding the Fourth Proportional to 10,181.14, 15,266.58 and 3,606.40

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Solution

The fourth proportional to 10,181.14, 15,266.58 and 3,606.40 is: 5,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.14 : 15,266.58 = 3,606.40 : x
  2. Step 2: Convert to fraction form
    10,181.14/15,266.58 = 3,606.40/x
  3. Step 3: Cross multiply
    10,181.14x = 15,266.58 × 3,606.40
  4. Step 4: Simplify right side
    10,181.14x = 55,057,394.11
  5. Step 5: Solve for x
    x = 55,057,394.11/10,181.14
  6. Step 6: Final answer
    x = 5,407.78

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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.