Home / 18,372.42-27,574.63-10,490.72

Finding the Fourth Proportional to 18,372.42, 27,574.63 and 10,490.72

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Solution

The fourth proportional to 18,372.42, 27,574.63 and 10,490.72 is: 15,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.42 : 27,574.63 = 10,490.72 : x
  2. Step 2: Convert to fraction form
    18,372.42/27,574.63 = 10,490.72/x
  3. Step 3: Cross multiply
    18,372.42x = 27,574.63 × 10,490.72
  4. Step 4: Simplify right side
    18,372.42x = 289,277,558.33
  5. Step 5: Solve for x
    x = 289,277,558.33/18,372.42
  6. Step 6: Final answer
    x = 15,745.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.