Home / 19,722.08-29,524.80-11,907.20

Finding the Fourth Proportional to 19,722.08, 29,524.80 and 11,907.20

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Solution

The fourth proportional to 19,722.08, 29,524.80 and 11,907.20 is: 17,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.08 : 29,524.80 = 11,907.20 : x
  2. Step 2: Convert to fraction form
    19,722.08/29,524.80 = 11,907.20/x
  3. Step 3: Cross multiply
    19,722.08x = 29,524.80 × 11,907.20
  4. Step 4: Simplify right side
    19,722.08x = 351,557,817.02
  5. Step 5: Solve for x
    x = 351,557,817.02/19,722.08
  6. Step 6: Final answer
    x = 17,825.59

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1.5x scale

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.