Home / 15,535.80-23,311.80-6,771.60

Finding the Fourth Proportional to 15,535.80, 23,311.80 and 6,771.60

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Solution

The fourth proportional to 15,535.80, 23,311.80 and 6,771.60 is: 10,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,535.80 : 23,311.80 = 6,771.60 : x
  2. Step 2: Convert to fraction form
    15,535.80/23,311.80 = 6,771.60/x
  3. Step 3: Cross multiply
    15,535.80x = 23,311.80 × 6,771.60
  4. Step 4: Simplify right side
    15,535.80x = 157,858,184.88
  5. Step 5: Solve for x
    x = 157,858,184.88/15,535.80
  6. Step 6: Final answer
    x = 10,160.93

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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.