Home / 16,678.50-25,017.76-7,908.63

Finding the Fourth Proportional to 16,678.50, 25,017.76 and 7,908.63

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Solution

The fourth proportional to 16,678.50, 25,017.76 and 7,908.63 is: 11,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.50 : 25,017.76 = 7,908.63 : x
  2. Step 2: Convert to fraction form
    16,678.50/25,017.76 = 7,908.63/x
  3. Step 3: Cross multiply
    16,678.50x = 25,017.76 × 7,908.63
  4. Step 4: Simplify right side
    16,678.50x = 197,856,207.27
  5. Step 5: Solve for x
    x = 197,856,207.27/16,678.50
  6. Step 6: Final answer
    x = 11,862.95

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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.