Home / 13,104.64-18,085.44-8,392.96

Finding the Fourth Proportional to 13,104.64, 18,085.44 and 8,392.96

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Solution

The fourth proportional to 13,104.64, 18,085.44 and 8,392.96 is: 11,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.64 : 18,085.44 = 8,392.96 : x
  2. Step 2: Convert to fraction form
    13,104.64/18,085.44 = 8,392.96/x
  3. Step 3: Cross multiply
    13,104.64x = 18,085.44 × 8,392.96
  4. Step 4: Simplify right side
    13,104.64x = 151,790,374.50
  5. Step 5: Solve for x
    x = 151,790,374.50/13,104.64
  6. Step 6: Final answer
    x = 11,582.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.