Home / 21,531.36-32,268.69-11,534.95

Finding the Fourth Proportional to 21,531.36, 32,268.69 and 11,534.95

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Solution

The fourth proportional to 21,531.36, 32,268.69 and 11,534.95 is: 17,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.36 : 32,268.69 = 11,534.95 : x
  2. Step 2: Convert to fraction form
    21,531.36/32,268.69 = 11,534.95/x
  3. Step 3: Cross multiply
    21,531.36x = 32,268.69 × 11,534.95
  4. Step 4: Simplify right side
    21,531.36x = 372,217,645.04
  5. Step 5: Solve for x
    x = 372,217,645.04/21,531.36
  6. Step 6: Final answer
    x = 17,287.23

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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.