Home / 15,027.64-20,729.10-11,059

Finding the Fourth Proportional to 15,027.64, 20,729.10 and 11,059

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Solution

The fourth proportional to 15,027.64, 20,729.10 and 11,059 is: 15,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.64 : 20,729.10 = 11,059 : x
  2. Step 2: Convert to fraction form
    15,027.64/20,729.10 = 11,059/x
  3. Step 3: Cross multiply
    15,027.64x = 20,729.10 × 11,059
  4. Step 4: Simplify right side
    15,027.64x = 229,243,116.90
  5. Step 5: Solve for x
    x = 229,243,116.90/15,027.64
  6. Step 6: Final answer
    x = 15,254.77

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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.