Home / 11,090.30-15,304.76-6,616.64

Finding the Fourth Proportional to 11,090.30, 15,304.76 and 6,616.64

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Solution

The fourth proportional to 11,090.30, 15,304.76 and 6,616.64 is: 9,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.30 : 15,304.76 = 6,616.64 : x
  2. Step 2: Convert to fraction form
    11,090.30/15,304.76 = 6,616.64/x
  3. Step 3: Cross multiply
    11,090.30x = 15,304.76 × 6,616.64
  4. Step 4: Simplify right side
    11,090.30x = 101,266,087.21
  5. Step 5: Solve for x
    x = 101,266,087.21/11,090.30
  6. Step 6: Final answer
    x = 9,131.05

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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.