Home / 16,451.43-22,703.15-15,195.74

Finding the Fourth Proportional to 16,451.43, 22,703.15 and 15,195.74

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Solution

The fourth proportional to 16,451.43, 22,703.15 and 15,195.74 is: 20,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.43 : 22,703.15 = 15,195.74 : x
  2. Step 2: Convert to fraction form
    16,451.43/22,703.15 = 15,195.74/x
  3. Step 3: Cross multiply
    16,451.43x = 22,703.15 × 15,195.74
  4. Step 4: Simplify right side
    16,451.43x = 344,990,975.09
  5. Step 5: Solve for x
    x = 344,990,975.09/16,451.43
  6. Step 6: Final answer
    x = 20,970.27

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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.