Home / 18,817.64-25,908.90-16,571.24

Finding the Fourth Proportional to 18,817.64, 25,908.90 and 16,571.24

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Solution

The fourth proportional to 18,817.64, 25,908.90 and 16,571.24 is: 22,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,817.64 : 25,908.90 = 16,571.24 : x
  2. Step 2: Convert to fraction form
    18,817.64/25,908.90 = 16,571.24/x
  3. Step 3: Cross multiply
    18,817.64x = 25,908.90 × 16,571.24
  4. Step 4: Simplify right side
    18,817.64x = 429,342,600.04
  5. Step 5: Solve for x
    x = 429,342,600.04/18,817.64
  6. Step 6: Final answer
    x = 22,815.96

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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.