Home / 16,943.04-25,408.26-8,620.20

Finding the Fourth Proportional to 16,943.04, 25,408.26 and 8,620.20

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Solution

The fourth proportional to 16,943.04, 25,408.26 and 8,620.20 is: 12,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.04 : 25,408.26 = 8,620.20 : x
  2. Step 2: Convert to fraction form
    16,943.04/25,408.26 = 8,620.20/x
  3. Step 3: Cross multiply
    16,943.04x = 25,408.26 × 8,620.20
  4. Step 4: Simplify right side
    16,943.04x = 219,024,282.85
  5. Step 5: Solve for x
    x = 219,024,282.85/16,943.04
  6. Step 6: Final answer
    x = 12,927.09

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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.