Home / 13,664.83-20,499.58-6,269.92

Finding the Fourth Proportional to 13,664.83, 20,499.58 and 6,269.92

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Solution

The fourth proportional to 13,664.83, 20,499.58 and 6,269.92 is: 9,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.83 : 20,499.58 = 6,269.92 : x
  2. Step 2: Convert to fraction form
    13,664.83/20,499.58 = 6,269.92/x
  3. Step 3: Cross multiply
    13,664.83x = 20,499.58 × 6,269.92
  4. Step 4: Simplify right side
    13,664.83x = 128,530,726.63
  5. Step 5: Solve for x
    x = 128,530,726.63/13,664.83
  6. Step 6: Final answer
    x = 9,405.95

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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.