Home / 11,404.20-17,090.30-9,068.20

Finding the Fourth Proportional to 11,404.20, 17,090.30 and 9,068.20

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Solution

The fourth proportional to 11,404.20, 17,090.30 and 9,068.20 is: 13,589.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.20 : 17,090.30 = 9,068.20 : x
  2. Step 2: Convert to fraction form
    11,404.20/17,090.30 = 9,068.20/x
  3. Step 3: Cross multiply
    11,404.20x = 17,090.30 × 9,068.20
  4. Step 4: Simplify right side
    11,404.20x = 154,978,258.46
  5. Step 5: Solve for x
    x = 154,978,258.46/11,404.20
  6. Step 6: Final answer
    x = 13,589.58

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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.