Home / 16,855.20-25,282.80-5,761.99

Finding the Fourth Proportional to 16,855.20, 25,282.80 and 5,761.99

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Solution

The fourth proportional to 16,855.20, 25,282.80 and 5,761.99 is: 8,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.20 : 25,282.80 = 5,761.99 : x
  2. Step 2: Convert to fraction form
    16,855.20/25,282.80 = 5,761.99/x
  3. Step 3: Cross multiply
    16,855.20x = 25,282.80 × 5,761.99
  4. Step 4: Simplify right side
    16,855.20x = 145,679,240.77
  5. Step 5: Solve for x
    x = 145,679,240.77/16,855.20
  6. Step 6: Final answer
    x = 8,642.99

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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.