Home / 19,815.48-29,722.92-4,822.71

Finding the Fourth Proportional to 19,815.48, 29,722.92 and 4,822.71

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Solution

The fourth proportional to 19,815.48, 29,722.92 and 4,822.71 is: 7,233.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,815.48 : 29,722.92 = 4,822.71 : x
  2. Step 2: Convert to fraction form
    19,815.48/29,722.92 = 4,822.71/x
  3. Step 3: Cross multiply
    19,815.48x = 29,722.92 × 4,822.71
  4. Step 4: Simplify right side
    19,815.48x = 143,345,023.51
  5. Step 5: Solve for x
    x = 143,345,023.51/19,815.48
  6. Step 6: Final answer
    x = 7,233.99

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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.