Home / 16,886.60-25,329.90-5,198.30

Finding the Fourth Proportional to 16,886.60, 25,329.90 and 5,198.30

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Solution

The fourth proportional to 16,886.60, 25,329.90 and 5,198.30 is: 7,797.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.60 : 25,329.90 = 5,198.30 : x
  2. Step 2: Convert to fraction form
    16,886.60/25,329.90 = 5,198.30/x
  3. Step 3: Cross multiply
    16,886.60x = 25,329.90 × 5,198.30
  4. Step 4: Simplify right side
    16,886.60x = 131,672,419.17
  5. Step 5: Solve for x
    x = 131,672,419.17/16,886.60
  6. Step 6: Final answer
    x = 7,797.45

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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.