Home / 21,074.97-29,084.63-11,643.33

Finding the Fourth Proportional to 21,074.97, 29,084.63 and 11,643.33

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Solution

The fourth proportional to 21,074.97, 29,084.63 and 11,643.33 is: 16,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,074.97 : 29,084.63 = 11,643.33 : x
  2. Step 2: Convert to fraction form
    21,074.97/29,084.63 = 11,643.33/x
  3. Step 3: Cross multiply
    21,074.97x = 29,084.63 × 11,643.33
  4. Step 4: Simplify right side
    21,074.97x = 338,641,886.80
  5. Step 5: Solve for x
    x = 338,641,886.80/21,074.97
  6. Step 6: Final answer
    x = 16,068.44

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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.