Home / 13,173.92-19,774.40-8,821.76

Finding the Fourth Proportional to 13,173.92, 19,774.40 and 8,821.76

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Solution

The fourth proportional to 13,173.92, 19,774.40 and 8,821.76 is: 13,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.92 : 19,774.40 = 8,821.76 : x
  2. Step 2: Convert to fraction form
    13,173.92/19,774.40 = 8,821.76/x
  3. Step 3: Cross multiply
    13,173.92x = 19,774.40 × 8,821.76
  4. Step 4: Simplify right side
    13,173.92x = 174,445,010.94
  5. Step 5: Solve for x
    x = 174,445,010.94/13,173.92
  6. Step 6: Final answer
    x = 13,241.69

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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.