Home / 16,686.45-25,023.60-8,363.70

Finding the Fourth Proportional to 16,686.45, 25,023.60 and 8,363.70

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Solution

The fourth proportional to 16,686.45, 25,023.60 and 8,363.70 is: 12,542.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.45 : 25,023.60 = 8,363.70 : x
  2. Step 2: Convert to fraction form
    16,686.45/25,023.60 = 8,363.70/x
  3. Step 3: Cross multiply
    16,686.45x = 25,023.60 × 8,363.70
  4. Step 4: Simplify right side
    16,686.45x = 209,289,883.32
  5. Step 5: Solve for x
    x = 209,289,883.32/16,686.45
  6. Step 6: Final answer
    x = 12,542.51

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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.