Home / 21,473.62-29,633.91-16,086.51

Finding the Fourth Proportional to 21,473.62, 29,633.91 and 16,086.51

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Solution

The fourth proportional to 21,473.62, 29,633.91 and 16,086.51 is: 22,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,473.62 : 29,633.91 = 16,086.51 : x
  2. Step 2: Convert to fraction form
    21,473.62/29,633.91 = 16,086.51/x
  3. Step 3: Cross multiply
    21,473.62x = 29,633.91 × 16,086.51
  4. Step 4: Simplify right side
    21,473.62x = 476,706,129.23
  5. Step 5: Solve for x
    x = 476,706,129.23/21,473.62
  6. Step 6: Final answer
    x = 22,199.62

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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.