Home / 19,678.24-29,530.32-9,291.04

Finding the Fourth Proportional to 19,678.24, 29,530.32 and 9,291.04

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Solution

The fourth proportional to 19,678.24, 29,530.32 and 9,291.04 is: 13,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,678.24 : 29,530.32 = 9,291.04 : x
  2. Step 2: Convert to fraction form
    19,678.24/29,530.32 = 9,291.04/x
  3. Step 3: Cross multiply
    19,678.24x = 29,530.32 × 9,291.04
  4. Step 4: Simplify right side
    19,678.24x = 274,367,384.33
  5. Step 5: Solve for x
    x = 274,367,384.33/19,678.24
  6. Step 6: Final answer
    x = 13,942.68

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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.