Home / 18,652.21-25,740.05-10,268.71

Finding the Fourth Proportional to 18,652.21, 25,740.05 and 10,268.71

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Solution

The fourth proportional to 18,652.21, 25,740.05 and 10,268.71 is: 14,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.21 : 25,740.05 = 10,268.71 : x
  2. Step 2: Convert to fraction form
    18,652.21/25,740.05 = 10,268.71/x
  3. Step 3: Cross multiply
    18,652.21x = 25,740.05 × 10,268.71
  4. Step 4: Simplify right side
    18,652.21x = 264,317,108.84
  5. Step 5: Solve for x
    x = 264,317,108.84/18,652.21
  6. Step 6: Final answer
    x = 14,170.82

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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.