Home / 15,529.20-23,318.10-11,835.60

Finding the Fourth Proportional to 15,529.20, 23,318.10 and 11,835.60

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Solution

The fourth proportional to 15,529.20, 23,318.10 and 11,835.60 is: 17,771.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.20 : 23,318.10 = 11,835.60 : x
  2. Step 2: Convert to fraction form
    15,529.20/23,318.10 = 11,835.60/x
  3. Step 3: Cross multiply
    15,529.20x = 23,318.10 × 11,835.60
  4. Step 4: Simplify right side
    15,529.20x = 275,983,704.36
  5. Step 5: Solve for x
    x = 275,983,704.36/15,529.20
  6. Step 6: Final answer
    x = 17,771.92

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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.