Home / 19,611.38-29,417.38-6,286.88

Finding the Fourth Proportional to 19,611.38, 29,417.38 and 6,286.88

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Solution

The fourth proportional to 19,611.38, 29,417.38 and 6,286.88 is: 9,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.38 : 29,417.38 = 6,286.88 : x
  2. Step 2: Convert to fraction form
    19,611.38/29,417.38 = 6,286.88/x
  3. Step 3: Cross multiply
    19,611.38x = 29,417.38 × 6,286.88
  4. Step 4: Simplify right side
    19,611.38x = 184,943,537.97
  5. Step 5: Solve for x
    x = 184,943,537.97/19,611.38
  6. Step 6: Final answer
    x = 9,430.42

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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.