Home / 14,134.67-21,202.20-6,739.91

Finding the Fourth Proportional to 14,134.67, 21,202.20 and 6,739.91

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Solution

The fourth proportional to 14,134.67, 21,202.20 and 6,739.91 is: 10,109.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.67 : 21,202.20 = 6,739.91 : x
  2. Step 2: Convert to fraction form
    14,134.67/21,202.20 = 6,739.91/x
  3. Step 3: Cross multiply
    14,134.67x = 21,202.20 × 6,739.91
  4. Step 4: Simplify right side
    14,134.67x = 142,900,813.79
  5. Step 5: Solve for x
    x = 142,900,813.79/14,134.67
  6. Step 6: Final answer
    x = 10,109.95

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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.