Home / 19,760.14-29,638.59-6,610.80

Finding the Fourth Proportional to 19,760.14, 29,638.59 and 6,610.80

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Solution

The fourth proportional to 19,760.14, 29,638.59 and 6,610.80 is: 9,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.14 : 29,638.59 = 6,610.80 : x
  2. Step 2: Convert to fraction form
    19,760.14/29,638.59 = 6,610.80/x
  3. Step 3: Cross multiply
    19,760.14x = 29,638.59 × 6,610.80
  4. Step 4: Simplify right side
    19,760.14x = 195,934,790.77
  5. Step 5: Solve for x
    x = 195,934,790.77/19,760.14
  6. Step 6: Final answer
    x = 9,915.66

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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.