Home / 13,726.16-20,540.02-11,883.60

Finding the Fourth Proportional to 13,726.16, 20,540.02 and 11,883.60

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Solution

The fourth proportional to 13,726.16, 20,540.02 and 11,883.60 is: 17,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.16 : 20,540.02 = 11,883.60 : x
  2. Step 2: Convert to fraction form
    13,726.16/20,540.02 = 11,883.60/x
  3. Step 3: Cross multiply
    13,726.16x = 20,540.02 × 11,883.60
  4. Step 4: Simplify right side
    13,726.16x = 244,089,381.67
  5. Step 5: Solve for x
    x = 244,089,381.67/13,726.16
  6. Step 6: Final answer
    x = 17,782.79

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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.