Home / 11,679.45-17,435.98-11,269.36

Finding the Fourth Proportional to 11,679.45, 17,435.98 and 11,269.36

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Solution

The fourth proportional to 11,679.45, 17,435.98 and 11,269.36 is: 16,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679.45 : 17,435.98 = 11,269.36 : x
  2. Step 2: Convert to fraction form
    11,679.45/17,435.98 = 11,269.36/x
  3. Step 3: Cross multiply
    11,679.45x = 17,435.98 × 11,269.36
  4. Step 4: Simplify right side
    11,679.45x = 196,492,335.57
  5. Step 5: Solve for x
    x = 196,492,335.57/11,679.45
  6. Step 6: Final answer
    x = 16,823.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.