Home / 13,464.40-20,188.32-5,027.44

Finding the Fourth Proportional to 13,464.40, 20,188.32 and 5,027.44

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Solution

The fourth proportional to 13,464.40, 20,188.32 and 5,027.44 is: 7,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.40 : 20,188.32 = 5,027.44 : x
  2. Step 2: Convert to fraction form
    13,464.40/20,188.32 = 5,027.44/x
  3. Step 3: Cross multiply
    13,464.40x = 20,188.32 × 5,027.44
  4. Step 4: Simplify right side
    13,464.40x = 101,495,567.50
  5. Step 5: Solve for x
    x = 101,495,567.50/13,464.40
  6. Step 6: Final answer
    x = 7,538.07

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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.