Home / 16,990.02-25,488.57-8,561.26

Finding the Fourth Proportional to 16,990.02, 25,488.57 and 8,561.26

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Solution

The fourth proportional to 16,990.02, 25,488.57 and 8,561.26 is: 12,843.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.02 : 25,488.57 = 8,561.26 : x
  2. Step 2: Convert to fraction form
    16,990.02/25,488.57 = 8,561.26/x
  3. Step 3: Cross multiply
    16,990.02x = 25,488.57 × 8,561.26
  4. Step 4: Simplify right side
    16,990.02x = 218,214,338.76
  5. Step 5: Solve for x
    x = 218,214,338.76/16,990.02
  6. Step 6: Final answer
    x = 12,843.68

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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.