Home / 13,619.92-18,799.08-8,034.64

Finding the Fourth Proportional to 13,619.92, 18,799.08 and 8,034.64

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Solution

The fourth proportional to 13,619.92, 18,799.08 and 8,034.64 is: 11,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.92 : 18,799.08 = 8,034.64 : x
  2. Step 2: Convert to fraction form
    13,619.92/18,799.08 = 8,034.64/x
  3. Step 3: Cross multiply
    13,619.92x = 18,799.08 × 8,034.64
  4. Step 4: Simplify right side
    13,619.92x = 151,043,840.13
  5. Step 5: Solve for x
    x = 151,043,840.13/13,619.92
  6. Step 6: Final answer
    x = 11,089.92

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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.