Home / 21,066.39-29,071.71-11,634.93

Finding the Fourth Proportional to 21,066.39, 29,071.71 and 11,634.93

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Solution

The fourth proportional to 21,066.39, 29,071.71 and 11,634.93 is: 16,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,066.39 : 29,071.71 = 11,634.93 : x
  2. Step 2: Convert to fraction form
    21,066.39/29,071.71 = 11,634.93/x
  3. Step 3: Cross multiply
    21,066.39x = 29,071.71 × 11,634.93
  4. Step 4: Simplify right side
    21,066.39x = 338,247,310.83
  5. Step 5: Solve for x
    x = 338,247,310.83/21,066.39
  6. Step 6: Final answer
    x = 16,056.25

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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.