Home / 13,774.38-20,649.46-5,460.23

Finding the Fourth Proportional to 13,774.38, 20,649.46 and 5,460.23

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Solution

The fourth proportional to 13,774.38, 20,649.46 and 5,460.23 is: 8,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.38 : 20,649.46 = 5,460.23 : x
  2. Step 2: Convert to fraction form
    13,774.38/20,649.46 = 5,460.23/x
  3. Step 3: Cross multiply
    13,774.38x = 20,649.46 × 5,460.23
  4. Step 4: Simplify right side
    13,774.38x = 112,750,773.67
  5. Step 5: Solve for x
    x = 112,750,773.67/13,774.38
  6. Step 6: Final answer
    x = 8,185.54

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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.