Home / 16,844.80-25,281.60-7,499.20

Finding the Fourth Proportional to 16,844.80, 25,281.60 and 7,499.20

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Solution

The fourth proportional to 16,844.80, 25,281.60 and 7,499.20 is: 11,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,844.80 : 25,281.60 = 7,499.20 : x
  2. Step 2: Convert to fraction form
    16,844.80/25,281.60 = 7,499.20/x
  3. Step 3: Cross multiply
    16,844.80x = 25,281.60 × 7,499.20
  4. Step 4: Simplify right side
    16,844.80x = 189,591,774.72
  5. Step 5: Solve for x
    x = 189,591,774.72/16,844.80
  6. Step 6: Final answer
    x = 11,255.21

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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.