Home / 11,154.72-16,731.36-3,363.60

Finding the Fourth Proportional to 11,154.72, 16,731.36 and 3,363.60

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Solution

The fourth proportional to 11,154.72, 16,731.36 and 3,363.60 is: 5,045.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.72 : 16,731.36 = 3,363.60 : x
  2. Step 2: Convert to fraction form
    11,154.72/16,731.36 = 3,363.60/x
  3. Step 3: Cross multiply
    11,154.72x = 16,731.36 × 3,363.60
  4. Step 4: Simplify right side
    11,154.72x = 56,277,602.50
  5. Step 5: Solve for x
    x = 56,277,602.50/11,154.72
  6. Step 6: Final answer
    x = 5,045.18

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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.