Home / 18,841.50-28,207.27-14,118.59

Finding the Fourth Proportional to 18,841.50, 28,207.27 and 14,118.59

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Solution

The fourth proportional to 18,841.50, 28,207.27 and 14,118.59 is: 21,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.50 : 28,207.27 = 14,118.59 : x
  2. Step 2: Convert to fraction form
    18,841.50/28,207.27 = 14,118.59/x
  3. Step 3: Cross multiply
    18,841.50x = 28,207.27 × 14,118.59
  4. Step 4: Simplify right side
    18,841.50x = 398,246,880.15
  5. Step 5: Solve for x
    x = 398,246,880.15/18,841.50
  6. Step 6: Final answer
    x = 21,136.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.