Home / 16,823.46-25,235.28-5,136.78

Finding the Fourth Proportional to 16,823.46, 25,235.28 and 5,136.78

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Solution

The fourth proportional to 16,823.46, 25,235.28 and 5,136.78 is: 7,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.46 : 25,235.28 = 5,136.78 : x
  2. Step 2: Convert to fraction form
    16,823.46/25,235.28 = 5,136.78/x
  3. Step 3: Cross multiply
    16,823.46x = 25,235.28 × 5,136.78
  4. Step 4: Simplify right side
    16,823.46x = 129,628,081.60
  5. Step 5: Solve for x
    x = 129,628,081.60/16,823.46
  6. Step 6: Final answer
    x = 7,705.20

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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.