Home / 19,644.08-29,420.55-11,303.42

Finding the Fourth Proportional to 19,644.08, 29,420.55 and 11,303.42

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Solution

The fourth proportional to 19,644.08, 29,420.55 and 11,303.42 is: 16,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,644.08 : 29,420.55 = 11,303.42 : x
  2. Step 2: Convert to fraction form
    19,644.08/29,420.55 = 11,303.42/x
  3. Step 3: Cross multiply
    19,644.08x = 29,420.55 × 11,303.42
  4. Step 4: Simplify right side
    19,644.08x = 332,552,906.83
  5. Step 5: Solve for x
    x = 332,552,906.83/19,644.08
  6. Step 6: Final answer
    x = 16,928.91

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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.