Home / 11,374.40-17,090.40-10,107.20

Finding the Fourth Proportional to 11,374.40, 17,090.40 and 10,107.20

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Solution

The fourth proportional to 11,374.40, 17,090.40 and 10,107.20 is: 15,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,374.40 : 17,090.40 = 10,107.20 : x
  2. Step 2: Convert to fraction form
    11,374.40/17,090.40 = 10,107.20/x
  3. Step 3: Cross multiply
    11,374.40x = 17,090.40 × 10,107.20
  4. Step 4: Simplify right side
    11,374.40x = 172,736,090.88
  5. Step 5: Solve for x
    x = 172,736,090.88/11,374.40
  6. Step 6: Final answer
    x = 15,186.39

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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.