Home / 18,652.28-25,740.54-10,268.78

Finding the Fourth Proportional to 18,652.28, 25,740.54 and 10,268.78

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Solution

The fourth proportional to 18,652.28, 25,740.54 and 10,268.78 is: 14,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.28 : 25,740.54 = 10,268.78 : x
  2. Step 2: Convert to fraction form
    18,652.28/25,740.54 = 10,268.78/x
  3. Step 3: Cross multiply
    18,652.28x = 25,740.54 × 10,268.78
  4. Step 4: Simplify right side
    18,652.28x = 264,323,942.34
  5. Step 5: Solve for x
    x = 264,323,942.34/18,652.28
  6. Step 6: Final answer
    x = 14,171.13

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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.