Home / 12,157.36-18,244.24-4,760.89

Finding the Fourth Proportional to 12,157.36, 18,244.24 and 4,760.89

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Solution

The fourth proportional to 12,157.36, 18,244.24 and 4,760.89 is: 7,144.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.36 : 18,244.24 = 4,760.89 : x
  2. Step 2: Convert to fraction form
    12,157.36/18,244.24 = 4,760.89/x
  3. Step 3: Cross multiply
    12,157.36x = 18,244.24 × 4,760.89
  4. Step 4: Simplify right side
    12,157.36x = 86,858,819.77
  5. Step 5: Solve for x
    x = 86,858,819.77/12,157.36
  6. Step 6: Final answer
    x = 7,144.55

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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.