Home / 12,474.72-18,695.68-5,902.79

Finding the Fourth Proportional to 12,474.72, 18,695.68 and 5,902.79

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Solution

The fourth proportional to 12,474.72, 18,695.68 and 5,902.79 is: 8,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.72 : 18,695.68 = 5,902.79 : x
  2. Step 2: Convert to fraction form
    12,474.72/18,695.68 = 5,902.79/x
  3. Step 3: Cross multiply
    12,474.72x = 18,695.68 × 5,902.79
  4. Step 4: Simplify right side
    12,474.72x = 110,356,564.71
  5. Step 5: Solve for x
    x = 110,356,564.71/12,474.72
  6. Step 6: Final answer
    x = 8,846.42

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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.