Home / 16,834.20-25,225.56-8,490.90

Finding the Fourth Proportional to 16,834.20, 25,225.56 and 8,490.90

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Solution

The fourth proportional to 16,834.20, 25,225.56 and 8,490.90 is: 12,723.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,834.20 : 25,225.56 = 8,490.90 : x
  2. Step 2: Convert to fraction form
    16,834.20/25,225.56 = 8,490.90/x
  3. Step 3: Cross multiply
    16,834.20x = 25,225.56 × 8,490.90
  4. Step 4: Simplify right side
    16,834.20x = 214,187,707.40
  5. Step 5: Solve for x
    x = 214,187,707.40/16,834.20
  6. Step 6: Final answer
    x = 12,723.37

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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.