Home / 11,090.38-15,304.73-6,375.58

Finding the Fourth Proportional to 11,090.38, 15,304.73 and 6,375.58

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Solution

The fourth proportional to 11,090.38, 15,304.73 and 6,375.58 is: 8,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.38 : 15,304.73 = 6,375.58 : x
  2. Step 2: Convert to fraction form
    11,090.38/15,304.73 = 6,375.58/x
  3. Step 3: Cross multiply
    11,090.38x = 15,304.73 × 6,375.58
  4. Step 4: Simplify right side
    11,090.38x = 97,576,530.49
  5. Step 5: Solve for x
    x = 97,576,530.49/11,090.38
  6. Step 6: Final answer
    x = 8,798.30

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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.