Home / 13,171.84-19,757.76-4,961.92

Finding the Fourth Proportional to 13,171.84, 19,757.76 and 4,961.92

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Solution

The fourth proportional to 13,171.84, 19,757.76 and 4,961.92 is: 7,442.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.84 : 19,757.76 = 4,961.92 : x
  2. Step 2: Convert to fraction form
    13,171.84/19,757.76 = 4,961.92/x
  3. Step 3: Cross multiply
    13,171.84x = 19,757.76 × 4,961.92
  4. Step 4: Simplify right side
    13,171.84x = 98,036,424.50
  5. Step 5: Solve for x
    x = 98,036,424.50/13,171.84
  6. Step 6: Final answer
    x = 7,442.88

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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.