Home / 18,373.57-27,574.22-13,455.86

Finding the Fourth Proportional to 18,373.57, 27,574.22 and 13,455.86

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Solution

The fourth proportional to 18,373.57, 27,574.22 and 13,455.86 is: 20,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.57 : 27,574.22 = 13,455.86 : x
  2. Step 2: Convert to fraction form
    18,373.57/27,574.22 = 13,455.86/x
  3. Step 3: Cross multiply
    18,373.57x = 27,574.22 × 13,455.86
  4. Step 4: Simplify right side
    18,373.57x = 371,034,739.70
  5. Step 5: Solve for x
    x = 371,034,739.70/18,373.57
  6. Step 6: Final answer
    x = 20,193.94

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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.