Home / 13,174.32-19,761.48-5,280.42

Finding the Fourth Proportional to 13,174.32, 19,761.48 and 5,280.42

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Solution

The fourth proportional to 13,174.32, 19,761.48 and 5,280.42 is: 7,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.32 : 19,761.48 = 5,280.42 : x
  2. Step 2: Convert to fraction form
    13,174.32/19,761.48 = 5,280.42/x
  3. Step 3: Cross multiply
    13,174.32x = 19,761.48 × 5,280.42
  4. Step 4: Simplify right side
    13,174.32x = 104,348,914.22
  5. Step 5: Solve for x
    x = 104,348,914.22/13,174.32
  6. Step 6: Final answer
    x = 7,920.63

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Similar ratio
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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.