Home / 17,122.50-25,664.45-12,948.98

Finding the Fourth Proportional to 17,122.50, 25,664.45 and 12,948.98

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Solution

The fourth proportional to 17,122.50, 25,664.45 and 12,948.98 is: 19,408.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.50 : 25,664.45 = 12,948.98 : x
  2. Step 2: Convert to fraction form
    17,122.50/25,664.45 = 12,948.98/x
  3. Step 3: Cross multiply
    17,122.50x = 25,664.45 × 12,948.98
  4. Step 4: Simplify right side
    17,122.50x = 332,328,256.69
  5. Step 5: Solve for x
    x = 332,328,256.69/17,122.50
  6. Step 6: Final answer
    x = 19,408.86

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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.