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Finding the Fourth Proportional to 14,093.92, 21,151.14 and 11,353.68

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Solution

The fourth proportional to 14,093.92, 21,151.14 and 11,353.68 is: 17,038.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.92 : 21,151.14 = 11,353.68 : x
  2. Step 2: Convert to fraction form
    14,093.92/21,151.14 = 11,353.68/x
  3. Step 3: Cross multiply
    14,093.92x = 21,151.14 × 11,353.68
  4. Step 4: Simplify right side
    14,093.92x = 240,143,275.20
  5. Step 5: Solve for x
    x = 240,143,275.20/14,093.92
  6. Step 6: Final answer
    x = 17,038.79

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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.