Home / 11,774.20-16,208.72-10,202.60

Finding the Fourth Proportional to 11,774.20, 16,208.72 and 10,202.60

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Solution

The fourth proportional to 11,774.20, 16,208.72 and 10,202.60 is: 14,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,774.20 : 16,208.72 = 10,202.60 : x
  2. Step 2: Convert to fraction form
    11,774.20/16,208.72 = 10,202.60/x
  3. Step 3: Cross multiply
    11,774.20x = 16,208.72 × 10,202.60
  4. Step 4: Simplify right side
    11,774.20x = 165,371,086.67
  5. Step 5: Solve for x
    x = 165,371,086.67/11,774.20
  6. Step 6: Final answer
    x = 14,045.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.