Home / 14,141.92-19,520.43-10,174.57

Finding the Fourth Proportional to 14,141.92, 19,520.43 and 10,174.57

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Solution

The fourth proportional to 14,141.92, 19,520.43 and 10,174.57 is: 14,044.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.92 : 19,520.43 = 10,174.57 : x
  2. Step 2: Convert to fraction form
    14,141.92/19,520.43 = 10,174.57/x
  3. Step 3: Cross multiply
    14,141.92x = 19,520.43 × 10,174.57
  4. Step 4: Simplify right side
    14,141.92x = 198,611,832.99
  5. Step 5: Solve for x
    x = 198,611,832.99/14,141.92
  6. Step 6: Final answer
    x = 14,044.19

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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.