Home / 14,480.60-21,720.74-11,577.30

Finding the Fourth Proportional to 14,480.60, 21,720.74 and 11,577.30

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Solution

The fourth proportional to 14,480.60, 21,720.74 and 11,577.30 is: 17,365.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.60 : 21,720.74 = 11,577.30 : x
  2. Step 2: Convert to fraction form
    14,480.60/21,720.74 = 11,577.30/x
  3. Step 3: Cross multiply
    14,480.60x = 21,720.74 × 11,577.30
  4. Step 4: Simplify right side
    14,480.60x = 251,467,523.20
  5. Step 5: Solve for x
    x = 251,467,523.20/14,480.60
  6. Step 6: Final answer
    x = 17,365.82

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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.