Home / 18,274.82-25,219.28-9,891.32

Finding the Fourth Proportional to 18,274.82, 25,219.28 and 9,891.32

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Solution

The fourth proportional to 18,274.82, 25,219.28 and 9,891.32 is: 13,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.82 : 25,219.28 = 9,891.32 : x
  2. Step 2: Convert to fraction form
    18,274.82/25,219.28 = 9,891.32/x
  3. Step 3: Cross multiply
    18,274.82x = 25,219.28 × 9,891.32
  4. Step 4: Simplify right side
    18,274.82x = 249,451,867.28
  5. Step 5: Solve for x
    x = 249,451,867.28/18,274.82
  6. Step 6: Final answer
    x = 13,650.04

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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.