Home / 11,731.40-17,599.86-3,411.60

Finding the Fourth Proportional to 11,731.40, 17,599.86 and 3,411.60

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Solution

The fourth proportional to 11,731.40, 17,599.86 and 3,411.60 is: 5,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.40 : 17,599.86 = 3,411.60 : x
  2. Step 2: Convert to fraction form
    11,731.40/17,599.86 = 3,411.60/x
  3. Step 3: Cross multiply
    11,731.40x = 17,599.86 × 3,411.60
  4. Step 4: Simplify right side
    11,731.40x = 60,043,682.38
  5. Step 5: Solve for x
    x = 60,043,682.38/11,731.40
  6. Step 6: Final answer
    x = 5,118.20

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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.