Home / 13,407.54-20,104.80-4,045.82

Finding the Fourth Proportional to 13,407.54, 20,104.80 and 4,045.82

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Solution

The fourth proportional to 13,407.54, 20,104.80 and 4,045.82 is: 6,066.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407.54 : 20,104.80 = 4,045.82 : x
  2. Step 2: Convert to fraction form
    13,407.54/20,104.80 = 4,045.82/x
  3. Step 3: Cross multiply
    13,407.54x = 20,104.80 × 4,045.82
  4. Step 4: Simplify right side
    13,407.54x = 81,340,301.41
  5. Step 5: Solve for x
    x = 81,340,301.41/13,407.54
  6. Step 6: Final answer
    x = 6,066.76

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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.