Home / 14,195.70-19,588.64-8,229.24

Finding the Fourth Proportional to 14,195.70, 19,588.64 and 8,229.24

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Solution

The fourth proportional to 14,195.70, 19,588.64 and 8,229.24 is: 11,355.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.70 : 19,588.64 = 8,229.24 : x
  2. Step 2: Convert to fraction form
    14,195.70/19,588.64 = 8,229.24/x
  3. Step 3: Cross multiply
    14,195.70x = 19,588.64 × 8,229.24
  4. Step 4: Simplify right side
    14,195.70x = 161,199,578.69
  5. Step 5: Solve for x
    x = 161,199,578.69/14,195.70
  6. Step 6: Final answer
    x = 11,355.52

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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.