Home / 14,229.42-21,346.42-5,345.43

Finding the Fourth Proportional to 14,229.42, 21,346.42 and 5,345.43

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Solution

The fourth proportional to 14,229.42, 21,346.42 and 5,345.43 is: 8,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229.42 : 21,346.42 = 5,345.43 : x
  2. Step 2: Convert to fraction form
    14,229.42/21,346.42 = 5,345.43/x
  3. Step 3: Cross multiply
    14,229.42x = 21,346.42 × 5,345.43
  4. Step 4: Simplify right side
    14,229.42x = 114,105,793.86
  5. Step 5: Solve for x
    x = 114,105,793.86/14,229.42
  6. Step 6: Final answer
    x = 8,019.01

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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.