Home / 18,319.41-25,280.78-10,361.46

Finding the Fourth Proportional to 18,319.41, 25,280.78 and 10,361.46

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Solution

The fourth proportional to 18,319.41, 25,280.78 and 10,361.46 is: 14,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.41 : 25,280.78 = 10,361.46 : x
  2. Step 2: Convert to fraction form
    18,319.41/25,280.78 = 10,361.46/x
  3. Step 3: Cross multiply
    18,319.41x = 25,280.78 × 10,361.46
  4. Step 4: Simplify right side
    18,319.41x = 261,945,816.64
  5. Step 5: Solve for x
    x = 261,945,816.64/18,319.41
  6. Step 6: Final answer
    x = 14,298.81

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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.