Home / 19,318.12-28,981.98-5,467.24

Finding the Fourth Proportional to 19,318.12, 28,981.98 and 5,467.24

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Solution

The fourth proportional to 19,318.12, 28,981.98 and 5,467.24 is: 8,202.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318.12 : 28,981.98 = 5,467.24 : x
  2. Step 2: Convert to fraction form
    19,318.12/28,981.98 = 5,467.24/x
  3. Step 3: Cross multiply
    19,318.12x = 28,981.98 × 5,467.24
  4. Step 4: Simplify right side
    19,318.12x = 158,451,440.34
  5. Step 5: Solve for x
    x = 158,451,440.34/19,318.12
  6. Step 6: Final answer
    x = 8,202.22

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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.