Home / 16,856.92-25,300.89-8,542.72

Finding the Fourth Proportional to 16,856.92, 25,300.89 and 8,542.72

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Solution

The fourth proportional to 16,856.92, 25,300.89 and 8,542.72 is: 12,821.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.92 : 25,300.89 = 8,542.72 : x
  2. Step 2: Convert to fraction form
    16,856.92/25,300.89 = 8,542.72/x
  3. Step 3: Cross multiply
    16,856.92x = 25,300.89 × 8,542.72
  4. Step 4: Simplify right side
    16,856.92x = 216,138,419.02
  5. Step 5: Solve for x
    x = 216,138,419.02/16,856.92
  6. Step 6: Final answer
    x = 12,821.94

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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.