Home / 11,209.17-16,813.15-3,417.38

Finding the Fourth Proportional to 11,209.17, 16,813.15 and 3,417.38

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Solution

The fourth proportional to 11,209.17, 16,813.15 and 3,417.38 is: 5,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209.17 : 16,813.15 = 3,417.38 : x
  2. Step 2: Convert to fraction form
    11,209.17/16,813.15 = 3,417.38/x
  3. Step 3: Cross multiply
    11,209.17x = 16,813.15 × 3,417.38
  4. Step 4: Simplify right side
    11,209.17x = 57,456,829.94
  5. Step 5: Solve for x
    x = 57,456,829.94/11,209.17
  6. Step 6: Final answer
    x = 5,125.88

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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.