Home / 13,917.92-20,883.57-6,521.18

Finding the Fourth Proportional to 13,917.92, 20,883.57 and 6,521.18

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Solution

The fourth proportional to 13,917.92, 20,883.57 and 6,521.18 is: 9,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.92 : 20,883.57 = 6,521.18 : x
  2. Step 2: Convert to fraction form
    13,917.92/20,883.57 = 6,521.18/x
  3. Step 3: Cross multiply
    13,917.92x = 20,883.57 × 6,521.18
  4. Step 4: Simplify right side
    13,917.92x = 136,185,519.01
  5. Step 5: Solve for x
    x = 136,185,519.01/13,917.92
  6. Step 6: Final answer
    x = 9,784.90

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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.