Home / 21,996.84-30,351.49-13,041.08

Finding the Fourth Proportional to 21,996.84, 30,351.49 and 13,041.08

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Solution

The fourth proportional to 21,996.84, 30,351.49 and 13,041.08 is: 17,994.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.84 : 30,351.49 = 13,041.08 : x
  2. Step 2: Convert to fraction form
    21,996.84/30,351.49 = 13,041.08/x
  3. Step 3: Cross multiply
    21,996.84x = 30,351.49 × 13,041.08
  4. Step 4: Simplify right side
    21,996.84x = 395,816,209.21
  5. Step 5: Solve for x
    x = 395,816,209.21/21,996.84
  6. Step 6: Final answer
    x = 17,994.23

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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.