Home / 14,138.06-21,203.34-6,727.76

Finding the Fourth Proportional to 14,138.06, 21,203.34 and 6,727.76

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Solution

The fourth proportional to 14,138.06, 21,203.34 and 6,727.76 is: 10,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.06 : 21,203.34 = 6,727.76 : x
  2. Step 2: Convert to fraction form
    14,138.06/21,203.34 = 6,727.76/x
  3. Step 3: Cross multiply
    14,138.06x = 21,203.34 × 6,727.76
  4. Step 4: Simplify right side
    14,138.06x = 142,650,982.72
  5. Step 5: Solve for x
    x = 142,650,982.72/14,138.06
  6. Step 6: Final answer
    x = 10,089.86

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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.