Home / 11,828.68-17,753.94-5,989.40

Finding the Fourth Proportional to 11,828.68, 17,753.94 and 5,989.40

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Solution

The fourth proportional to 11,828.68, 17,753.94 and 5,989.40 is: 8,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,828.68 : 17,753.94 = 5,989.40 : x
  2. Step 2: Convert to fraction form
    11,828.68/17,753.94 = 5,989.40/x
  3. Step 3: Cross multiply
    11,828.68x = 17,753.94 × 5,989.40
  4. Step 4: Simplify right side
    11,828.68x = 106,335,448.24
  5. Step 5: Solve for x
    x = 106,335,448.24/11,828.68
  6. Step 6: Final answer
    x = 8,989.63

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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.