Home / 21,453.88-32,180.82-14,104.84

Finding the Fourth Proportional to 21,453.88, 32,180.82 and 14,104.84

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Solution

The fourth proportional to 21,453.88, 32,180.82 and 14,104.84 is: 21,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.88 : 32,180.82 = 14,104.84 : x
  2. Step 2: Convert to fraction form
    21,453.88/32,180.82 = 14,104.84/x
  3. Step 3: Cross multiply
    21,453.88x = 32,180.82 × 14,104.84
  4. Step 4: Simplify right side
    21,453.88x = 453,905,317.17
  5. Step 5: Solve for x
    x = 453,905,317.17/21,453.88
  6. Step 6: Final answer
    x = 21,157.26

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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.