Home / 13,422.54-20,140.50-6,032.28

Finding the Fourth Proportional to 13,422.54, 20,140.50 and 6,032.28

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Solution

The fourth proportional to 13,422.54, 20,140.50 and 6,032.28 is: 9,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422.54 : 20,140.50 = 6,032.28 : x
  2. Step 2: Convert to fraction form
    13,422.54/20,140.50 = 6,032.28/x
  3. Step 3: Cross multiply
    13,422.54x = 20,140.50 × 6,032.28
  4. Step 4: Simplify right side
    13,422.54x = 121,493,135.34
  5. Step 5: Solve for x
    x = 121,493,135.34/13,422.54
  6. Step 6: Final answer
    x = 9,051.43

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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.