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Finding the Fourth Proportional to 15,464.98, 23,178.03 and 11,090.98

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Solution

The fourth proportional to 15,464.98, 23,178.03 and 11,090.98 is: 16,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,464.98 : 23,178.03 = 11,090.98 : x
  2. Step 2: Convert to fraction form
    15,464.98/23,178.03 = 11,090.98/x
  3. Step 3: Cross multiply
    15,464.98x = 23,178.03 × 11,090.98
  4. Step 4: Simplify right side
    15,464.98x = 257,067,067.17
  5. Step 5: Solve for x
    x = 257,067,067.17/15,464.98
  6. Step 6: Final answer
    x = 16,622.53

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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.