Home / 19,329.24-28,967.94-8,918.04

Finding the Fourth Proportional to 19,329.24, 28,967.94 and 8,918.04

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Solution

The fourth proportional to 19,329.24, 28,967.94 and 8,918.04 is: 13,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.24 : 28,967.94 = 8,918.04 : x
  2. Step 2: Convert to fraction form
    19,329.24/28,967.94 = 8,918.04/x
  3. Step 3: Cross multiply
    19,329.24x = 28,967.94 × 8,918.04
  4. Step 4: Simplify right side
    19,329.24x = 258,337,247.64
  5. Step 5: Solve for x
    x = 258,337,247.64/19,329.24
  6. Step 6: Final answer
    x = 13,365.10

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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.