Home / 13,651.06-20,476.58-4,291.90

Finding the Fourth Proportional to 13,651.06, 20,476.58 and 4,291.90

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Solution

The fourth proportional to 13,651.06, 20,476.58 and 4,291.90 is: 6,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.06 : 20,476.58 = 4,291.90 : x
  2. Step 2: Convert to fraction form
    13,651.06/20,476.58 = 4,291.90/x
  3. Step 3: Cross multiply
    13,651.06x = 20,476.58 × 4,291.90
  4. Step 4: Simplify right side
    13,651.06x = 87,883,335.46
  5. Step 5: Solve for x
    x = 87,883,335.46/13,651.06
  6. Step 6: Final answer
    x = 6,437.84

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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.