Home / 13,525.06-20,254.46-11,170.66

Finding the Fourth Proportional to 13,525.06, 20,254.46 and 11,170.66

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Solution

The fourth proportional to 13,525.06, 20,254.46 and 11,170.66 is: 16,728.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,525.06 : 20,254.46 = 11,170.66 : x
  2. Step 2: Convert to fraction form
    13,525.06/20,254.46 = 11,170.66/x
  3. Step 3: Cross multiply
    13,525.06x = 20,254.46 × 11,170.66
  4. Step 4: Simplify right side
    13,525.06x = 226,255,686.14
  5. Step 5: Solve for x
    x = 226,255,686.14/13,525.06
  6. Step 6: Final answer
    x = 16,728.63

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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.