Home / 18,319.74-25,281.80-10,361.81

Finding the Fourth Proportional to 18,319.74, 25,281.80 and 10,361.81

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Solution

The fourth proportional to 18,319.74, 25,281.80 and 10,361.81 is: 14,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.74 : 25,281.80 = 10,361.81 : x
  2. Step 2: Convert to fraction form
    18,319.74/25,281.80 = 10,361.81/x
  3. Step 3: Cross multiply
    18,319.74x = 25,281.80 × 10,361.81
  4. Step 4: Simplify right side
    18,319.74x = 261,965,093.04
  5. Step 5: Solve for x
    x = 261,965,093.04/18,319.74
  6. Step 6: Final answer
    x = 14,299.61

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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.