Home / 11,145.80-16,721.60-3,248.14

Finding the Fourth Proportional to 11,145.80, 16,721.60 and 3,248.14

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Solution

The fourth proportional to 11,145.80, 16,721.60 and 3,248.14 is: 4,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.80 : 16,721.60 = 3,248.14 : x
  2. Step 2: Convert to fraction form
    11,145.80/16,721.60 = 3,248.14/x
  3. Step 3: Cross multiply
    11,145.80x = 16,721.60 × 3,248.14
  4. Step 4: Simplify right side
    11,145.80x = 54,314,014.22
  5. Step 5: Solve for x
    x = 54,314,014.22/11,145.80
  6. Step 6: Final answer
    x = 4,873.05

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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.