Home / 15,455.20-23,213.80-9,227.36

Finding the Fourth Proportional to 15,455.20, 23,213.80 and 9,227.36

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Solution

The fourth proportional to 15,455.20, 23,213.80 and 9,227.36 is: 13,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.20 : 23,213.80 = 9,227.36 : x
  2. Step 2: Convert to fraction form
    15,455.20/23,213.80 = 9,227.36/x
  3. Step 3: Cross multiply
    15,455.20x = 23,213.80 × 9,227.36
  4. Step 4: Simplify right side
    15,455.20x = 214,202,089.57
  5. Step 5: Solve for x
    x = 214,202,089.57/15,455.20
  6. Step 6: Final answer
    x = 13,859.55

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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.