Home / 13,527.06-20,257.46-11,172.66

Finding the Fourth Proportional to 13,527.06, 20,257.46 and 11,172.66

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Solution

The fourth proportional to 13,527.06, 20,257.46 and 11,172.66 is: 16,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.06 : 20,257.46 = 11,172.66 : x
  2. Step 2: Convert to fraction form
    13,527.06/20,257.46 = 11,172.66/x
  3. Step 3: Cross multiply
    13,527.06x = 20,257.46 × 11,172.66
  4. Step 4: Simplify right side
    13,527.06x = 226,329,713.04
  5. Step 5: Solve for x
    x = 226,329,713.04/13,527.06
  6. Step 6: Final answer
    x = 16,731.63

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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.