Home / 13,825.46-20,726.58-5,511.62

Finding the Fourth Proportional to 13,825.46, 20,726.58 and 5,511.62

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Solution

The fourth proportional to 13,825.46, 20,726.58 and 5,511.62 is: 8,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825.46 : 20,726.58 = 5,511.62 : x
  2. Step 2: Convert to fraction form
    13,825.46/20,726.58 = 5,511.62/x
  3. Step 3: Cross multiply
    13,825.46x = 20,726.58 × 5,511.62
  4. Step 4: Simplify right side
    13,825.46x = 114,237,032.86
  5. Step 5: Solve for x
    x = 114,237,032.86/13,825.46
  6. Step 6: Final answer
    x = 8,262.80

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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.