Home / 11,731.32-17,581.14-4,328.84

Finding the Fourth Proportional to 11,731.32, 17,581.14 and 4,328.84

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Solution

The fourth proportional to 11,731.32, 17,581.14 and 4,328.84 is: 6,487.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.32 : 17,581.14 = 4,328.84 : x
  2. Step 2: Convert to fraction form
    11,731.32/17,581.14 = 4,328.84/x
  3. Step 3: Cross multiply
    11,731.32x = 17,581.14 × 4,328.84
  4. Step 4: Simplify right side
    11,731.32x = 76,105,942.08
  5. Step 5: Solve for x
    x = 76,105,942.08/11,731.32
  6. Step 6: Final answer
    x = 6,487.42

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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.