Home / 14,306.18-21,456.97-3,915.50

Finding the Fourth Proportional to 14,306.18, 21,456.97 and 3,915.50

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Solution

The fourth proportional to 14,306.18, 21,456.97 and 3,915.50 is: 5,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.18 : 21,456.97 = 3,915.50 : x
  2. Step 2: Convert to fraction form
    14,306.18/21,456.97 = 3,915.50/x
  3. Step 3: Cross multiply
    14,306.18x = 21,456.97 × 3,915.50
  4. Step 4: Simplify right side
    14,306.18x = 84,014,648.96
  5. Step 5: Solve for x
    x = 84,014,648.96/14,306.18
  6. Step 6: Final answer
    x = 5,872.61

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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.