Home / 14,223.70-19,625.56-8,251.91

Finding the Fourth Proportional to 14,223.70, 19,625.56 and 8,251.91

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Solution

The fourth proportional to 14,223.70, 19,625.56 and 8,251.91 is: 11,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.70 : 19,625.56 = 8,251.91 : x
  2. Step 2: Convert to fraction form
    14,223.70/19,625.56 = 8,251.91/x
  3. Step 3: Cross multiply
    14,223.70x = 19,625.56 × 8,251.91
  4. Step 4: Simplify right side
    14,223.70x = 161,948,354.82
  5. Step 5: Solve for x
    x = 161,948,354.82/14,223.70
  6. Step 6: Final answer
    x = 11,385.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.