Home / 18,635.36-25,716.84-10,252.40

Finding the Fourth Proportional to 18,635.36, 25,716.84 and 10,252.40

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Solution

The fourth proportional to 18,635.36, 25,716.84 and 10,252.40 is: 14,148.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.36 : 25,716.84 = 10,252.40 : x
  2. Step 2: Convert to fraction form
    18,635.36/25,716.84 = 10,252.40/x
  3. Step 3: Cross multiply
    18,635.36x = 25,716.84 × 10,252.40
  4. Step 4: Simplify right side
    18,635.36x = 263,659,330.42
  5. Step 5: Solve for x
    x = 263,659,330.42/18,635.36
  6. Step 6: Final answer
    x = 14,148.34

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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.