Home / 17,856.20-24,636.68-11,142.91

Finding the Fourth Proportional to 17,856.20, 24,636.68 and 11,142.91

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Solution

The fourth proportional to 17,856.20, 24,636.68 and 11,142.91 is: 15,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.20 : 24,636.68 = 11,142.91 : x
  2. Step 2: Convert to fraction form
    17,856.20/24,636.68 = 11,142.91/x
  3. Step 3: Cross multiply
    17,856.20x = 24,636.68 × 11,142.91
  4. Step 4: Simplify right side
    17,856.20x = 274,524,190.63
  5. Step 5: Solve for x
    x = 274,524,190.63/17,856.20
  6. Step 6: Final answer
    x = 15,374.16

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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.