Home / 19,610.20-29,397.48-7,915.42

Finding the Fourth Proportional to 19,610.20, 29,397.48 and 7,915.42

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Solution

The fourth proportional to 19,610.20, 29,397.48 and 7,915.42 is: 11,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.20 : 29,397.48 = 7,915.42 : x
  2. Step 2: Convert to fraction form
    19,610.20/29,397.48 = 7,915.42/x
  3. Step 3: Cross multiply
    19,610.20x = 29,397.48 × 7,915.42
  4. Step 4: Simplify right side
    19,610.20x = 232,693,401.14
  5. Step 5: Solve for x
    x = 232,693,401.14/19,610.20
  6. Step 6: Final answer
    x = 11,865.94

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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.