Home / 16,908.45-25,356.60-8,585.70

Finding the Fourth Proportional to 16,908.45, 25,356.60 and 8,585.70

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Solution

The fourth proportional to 16,908.45, 25,356.60 and 8,585.70 is: 12,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.45 : 25,356.60 = 8,585.70 : x
  2. Step 2: Convert to fraction form
    16,908.45/25,356.60 = 8,585.70/x
  3. Step 3: Cross multiply
    16,908.45x = 25,356.60 × 8,585.70
  4. Step 4: Simplify right side
    16,908.45x = 217,704,160.62
  5. Step 5: Solve for x
    x = 217,704,160.62/16,908.45
  6. Step 6: Final answer
    x = 12,875.47

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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.