Home / 15,268.82-22,897.71-11,988.32

Finding the Fourth Proportional to 15,268.82, 22,897.71 and 11,988.32

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Solution

The fourth proportional to 15,268.82, 22,897.71 and 11,988.32 is: 17,978.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268.82 : 22,897.71 = 11,988.32 : x
  2. Step 2: Convert to fraction form
    15,268.82/22,897.71 = 11,988.32/x
  3. Step 3: Cross multiply
    15,268.82x = 22,897.71 × 11,988.32
  4. Step 4: Simplify right side
    15,268.82x = 274,504,960.26
  5. Step 5: Solve for x
    x = 274,504,960.26/15,268.82
  6. Step 6: Final answer
    x = 17,978.14

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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.