Home / 14,169.90-19,555.13-8,200.43

Finding the Fourth Proportional to 14,169.90, 19,555.13 and 8,200.43

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Solution

The fourth proportional to 14,169.90, 19,555.13 and 8,200.43 is: 11,316.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,169.90 : 19,555.13 = 8,200.43 : x
  2. Step 2: Convert to fraction form
    14,169.90/19,555.13 = 8,200.43/x
  3. Step 3: Cross multiply
    14,169.90x = 19,555.13 × 8,200.43
  4. Step 4: Simplify right side
    14,169.90x = 160,360,335.93
  5. Step 5: Solve for x
    x = 160,360,335.93/14,169.90
  6. Step 6: Final answer
    x = 11,316.97

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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.