Home / 19,519.92-29,270.16-6,370.68

Finding the Fourth Proportional to 19,519.92, 29,270.16 and 6,370.68

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Solution

The fourth proportional to 19,519.92, 29,270.16 and 6,370.68 is: 9,552.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.92 : 29,270.16 = 6,370.68 : x
  2. Step 2: Convert to fraction form
    19,519.92/29,270.16 = 6,370.68/x
  3. Step 3: Cross multiply
    19,519.92x = 29,270.16 × 6,370.68
  4. Step 4: Simplify right side
    19,519.92x = 186,470,822.91
  5. Step 5: Solve for x
    x = 186,470,822.91/19,519.92
  6. Step 6: Final answer
    x = 9,552.85

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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.