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Finding the Fourth Proportional to 11,090.80, 15,304.98 and 6,374.98

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Solution

The fourth proportional to 11,090.80, 15,304.98 and 6,374.98 is: 8,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.80 : 15,304.98 = 6,374.98 : x
  2. Step 2: Convert to fraction form
    11,090.80/15,304.98 = 6,374.98/x
  3. Step 3: Cross multiply
    11,090.80x = 15,304.98 × 6,374.98
  4. Step 4: Simplify right side
    11,090.80x = 97,568,941.40
  5. Step 5: Solve for x
    x = 97,568,941.40/11,090.80
  6. Step 6: Final answer
    x = 8,797.29

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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.