Home / 14,917.83-20,587.13-8,203.97

Finding the Fourth Proportional to 14,917.83, 20,587.13 and 8,203.97

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Solution

The fourth proportional to 14,917.83, 20,587.13 and 8,203.97 is: 11,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,917.83 : 20,587.13 = 8,203.97 : x
  2. Step 2: Convert to fraction form
    14,917.83/20,587.13 = 8,203.97/x
  3. Step 3: Cross multiply
    14,917.83x = 20,587.13 × 8,203.97
  4. Step 4: Simplify right side
    14,917.83x = 168,896,122.32
  5. Step 5: Solve for x
    x = 168,896,122.32/14,917.83
  6. Step 6: Final answer
    x = 11,321.76

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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.