Home / 11,126.18-15,353.64-6,090.62

Finding the Fourth Proportional to 11,126.18, 15,353.64 and 6,090.62

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Solution

The fourth proportional to 11,126.18, 15,353.64 and 6,090.62 is: 8,404.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.18 : 15,353.64 = 6,090.62 : x
  2. Step 2: Convert to fraction form
    11,126.18/15,353.64 = 6,090.62/x
  3. Step 3: Cross multiply
    11,126.18x = 15,353.64 × 6,090.62
  4. Step 4: Simplify right side
    11,126.18x = 93,513,087.25
  5. Step 5: Solve for x
    x = 93,513,087.25/11,126.18
  6. Step 6: Final answer
    x = 8,404.78

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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.