Home / 12,156.48-18,230.27-5,914.62

Finding the Fourth Proportional to 12,156.48, 18,230.27 and 5,914.62

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Solution

The fourth proportional to 12,156.48, 18,230.27 and 5,914.62 is: 8,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156.48 : 18,230.27 = 5,914.62 : x
  2. Step 2: Convert to fraction form
    12,156.48/18,230.27 = 5,914.62/x
  3. Step 3: Cross multiply
    12,156.48x = 18,230.27 × 5,914.62
  4. Step 4: Simplify right side
    12,156.48x = 107,825,089.97
  5. Step 5: Solve for x
    x = 107,825,089.97/12,156.48
  6. Step 6: Final answer
    x = 8,869.76

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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.