Home / 21,072.42-29,084.49-14,374.08

Finding the Fourth Proportional to 21,072.42, 29,084.49 and 14,374.08

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Solution

The fourth proportional to 21,072.42, 29,084.49 and 14,374.08 is: 19,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,072.42 : 29,084.49 = 14,374.08 : x
  2. Step 2: Convert to fraction form
    21,072.42/29,084.49 = 14,374.08/x
  3. Step 3: Cross multiply
    21,072.42x = 29,084.49 × 14,374.08
  4. Step 4: Simplify right side
    21,072.42x = 418,062,786.02
  5. Step 5: Solve for x
    x = 418,062,786.02/21,072.42
  6. Step 6: Final answer
    x = 19,839.33

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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.