Home / 21,400.52-32,114.56-11,546.60

Finding the Fourth Proportional to 21,400.52, 32,114.56 and 11,546.60

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Solution

The fourth proportional to 21,400.52, 32,114.56 and 11,546.60 is: 17,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.52 : 32,114.56 = 11,546.60 : x
  2. Step 2: Convert to fraction form
    21,400.52/32,114.56 = 11,546.60/x
  3. Step 3: Cross multiply
    21,400.52x = 32,114.56 × 11,546.60
  4. Step 4: Simplify right side
    21,400.52x = 370,813,978.50
  5. Step 5: Solve for x
    x = 370,813,978.50/21,400.52
  6. Step 6: Final answer
    x = 17,327.33

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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.