Home / 21,701.52-29,944.35-12,268.26

Finding the Fourth Proportional to 21,701.52, 29,944.35 and 12,268.26

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Solution

The fourth proportional to 21,701.52, 29,944.35 and 12,268.26 is: 16,928.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.52 : 29,944.35 = 12,268.26 : x
  2. Step 2: Convert to fraction form
    21,701.52/29,944.35 = 12,268.26/x
  3. Step 3: Cross multiply
    21,701.52x = 29,944.35 × 12,268.26
  4. Step 4: Simplify right side
    21,701.52x = 367,365,071.33
  5. Step 5: Solve for x
    x = 367,365,071.33/21,701.52
  6. Step 6: Final answer
    x = 16,928.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.