Home / 18,433.44-25,438.05-10,475.19

Finding the Fourth Proportional to 18,433.44, 25,438.05 and 10,475.19

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Solution

The fourth proportional to 18,433.44, 25,438.05 and 10,475.19 is: 14,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.44 : 25,438.05 = 10,475.19 : x
  2. Step 2: Convert to fraction form
    18,433.44/25,438.05 = 10,475.19/x
  3. Step 3: Cross multiply
    18,433.44x = 25,438.05 × 10,475.19
  4. Step 4: Simplify right side
    18,433.44x = 266,468,406.98
  5. Step 5: Solve for x
    x = 266,468,406.98/18,433.44
  6. Step 6: Final answer
    x = 14,455.71

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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.