Home / 16,871.60-25,307.40-5,183.30

Finding the Fourth Proportional to 16,871.60, 25,307.40 and 5,183.30

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Solution

The fourth proportional to 16,871.60, 25,307.40 and 5,183.30 is: 7,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.60 : 25,307.40 = 5,183.30 : x
  2. Step 2: Convert to fraction form
    16,871.60/25,307.40 = 5,183.30/x
  3. Step 3: Cross multiply
    16,871.60x = 25,307.40 × 5,183.30
  4. Step 4: Simplify right side
    16,871.60x = 131,175,846.42
  5. Step 5: Solve for x
    x = 131,175,846.42/16,871.60
  6. Step 6: Final answer
    x = 7,774.95

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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.