Home / 13,774.55-20,664.39-6,374.12

Finding the Fourth Proportional to 13,774.55, 20,664.39 and 6,374.12

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Solution

The fourth proportional to 13,774.55, 20,664.39 and 6,374.12 is: 9,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.55 : 20,664.39 = 6,374.12 : x
  2. Step 2: Convert to fraction form
    13,774.55/20,664.39 = 6,374.12/x
  3. Step 3: Cross multiply
    13,774.55x = 20,664.39 × 6,374.12
  4. Step 4: Simplify right side
    13,774.55x = 131,717,301.59
  5. Step 5: Solve for x
    x = 131,717,301.59/13,774.55
  6. Step 6: Final answer
    x = 9,562.37

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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.