Home / 19,554.88-29,335.84-6,407.92

Finding the Fourth Proportional to 19,554.88, 29,335.84 and 6,407.92

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Solution

The fourth proportional to 19,554.88, 29,335.84 and 6,407.92 is: 9,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.88 : 29,335.84 = 6,407.92 : x
  2. Step 2: Convert to fraction form
    19,554.88/29,335.84 = 6,407.92/x
  3. Step 3: Cross multiply
    19,554.88x = 29,335.84 × 6,407.92
  4. Step 4: Simplify right side
    19,554.88x = 187,981,715.85
  5. Step 5: Solve for x
    x = 187,981,715.85/19,554.88
  6. Step 6: Final answer
    x = 9,613.03

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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.