Home / 19,538.19-29,286.63-6,387.03

Finding the Fourth Proportional to 19,538.19, 29,286.63 and 6,387.03

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Solution

The fourth proportional to 19,538.19, 29,286.63 and 6,387.03 is: 9,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.19 : 29,286.63 = 6,387.03 : x
  2. Step 2: Convert to fraction form
    19,538.19/29,286.63 = 6,387.03/x
  3. Step 3: Cross multiply
    19,538.19x = 29,286.63 × 6,387.03
  4. Step 4: Simplify right side
    19,538.19x = 187,054,584.41
  5. Step 5: Solve for x
    x = 187,054,584.41/19,538.19
  6. Step 6: Final answer
    x = 9,573.79

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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.