Home / 18,188.64-25,094.88-11,107.62

Finding the Fourth Proportional to 18,188.64, 25,094.88 and 11,107.62

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Solution

The fourth proportional to 18,188.64, 25,094.88 and 11,107.62 is: 15,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.64 : 25,094.88 = 11,107.62 : x
  2. Step 2: Convert to fraction form
    18,188.64/25,094.88 = 11,107.62/x
  3. Step 3: Cross multiply
    18,188.64x = 25,094.88 × 11,107.62
  4. Step 4: Simplify right side
    18,188.64x = 278,744,390.99
  5. Step 5: Solve for x
    x = 278,744,390.99/18,188.64
  6. Step 6: Final answer
    x = 15,325.19

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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.