Home / 18,735.68-25,857.96-18,154.64

Finding the Fourth Proportional to 18,735.68, 25,857.96 and 18,154.64

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Solution

The fourth proportional to 18,735.68, 25,857.96 and 18,154.64 is: 25,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.68 : 25,857.96 = 18,154.64 : x
  2. Step 2: Convert to fraction form
    18,735.68/25,857.96 = 18,154.64/x
  3. Step 3: Cross multiply
    18,735.68x = 25,857.96 × 18,154.64
  4. Step 4: Simplify right side
    18,735.68x = 469,441,954.93
  5. Step 5: Solve for x
    x = 469,441,954.93/18,735.68
  6. Step 6: Final answer
    x = 25,056.04

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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.