Home / 21,914.58-32,880.14-13,155.60

Finding the Fourth Proportional to 21,914.58, 32,880.14 and 13,155.60

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Solution

The fourth proportional to 21,914.58, 32,880.14 and 13,155.60 is: 19,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,914.58 : 32,880.14 = 13,155.60 : x
  2. Step 2: Convert to fraction form
    21,914.58/32,880.14 = 13,155.60/x
  3. Step 3: Cross multiply
    21,914.58x = 32,880.14 × 13,155.60
  4. Step 4: Simplify right side
    21,914.58x = 432,557,969.78
  5. Step 5: Solve for x
    x = 432,557,969.78/21,914.58
  6. Step 6: Final answer
    x = 19,738.36

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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.