Home / 21,637.62-29,836.38-14,069.92

Finding the Fourth Proportional to 21,637.62, 29,836.38 and 14,069.92

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Solution

The fourth proportional to 21,637.62, 29,836.38 and 14,069.92 is: 19,401.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.62 : 29,836.38 = 14,069.92 : x
  2. Step 2: Convert to fraction form
    21,637.62/29,836.38 = 14,069.92/x
  3. Step 3: Cross multiply
    21,637.62x = 29,836.38 × 14,069.92
  4. Step 4: Simplify right side
    21,637.62x = 419,795,395.09
  5. Step 5: Solve for x
    x = 419,795,395.09/21,637.62
  6. Step 6: Final answer
    x = 19,401.18

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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.