Home / 14,073.30-19,418.27-8,103.38

Finding the Fourth Proportional to 14,073.30, 19,418.27 and 8,103.38

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Solution

The fourth proportional to 14,073.30, 19,418.27 and 8,103.38 is: 11,180.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.30 : 19,418.27 = 8,103.38 : x
  2. Step 2: Convert to fraction form
    14,073.30/19,418.27 = 8,103.38/x
  3. Step 3: Cross multiply
    14,073.30x = 19,418.27 × 8,103.38
  4. Step 4: Simplify right side
    14,073.30x = 157,353,483.14
  5. Step 5: Solve for x
    x = 157,353,483.14/14,073.30
  6. Step 6: Final answer
    x = 11,180.99

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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.