Home / 11,205.28-16,761.75-9,208.43

Finding the Fourth Proportional to 11,205.28, 16,761.75 and 9,208.43

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Solution

The fourth proportional to 11,205.28, 16,761.75 and 9,208.43 is: 13,774.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.28 : 16,761.75 = 9,208.43 : x
  2. Step 2: Convert to fraction form
    11,205.28/16,761.75 = 9,208.43/x
  3. Step 3: Cross multiply
    11,205.28x = 16,761.75 × 9,208.43
  4. Step 4: Simplify right side
    11,205.28x = 154,349,401.55
  5. Step 5: Solve for x
    x = 154,349,401.55/11,205.28
  6. Step 6: Final answer
    x = 13,774.70

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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.