Home / 18,318.46-27,446.27-12,303.26

Finding the Fourth Proportional to 18,318.46, 27,446.27 and 12,303.26

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Solution

The fourth proportional to 18,318.46, 27,446.27 and 12,303.26 is: 18,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.46 : 27,446.27 = 12,303.26 : x
  2. Step 2: Convert to fraction form
    18,318.46/27,446.27 = 12,303.26/x
  3. Step 3: Cross multiply
    18,318.46x = 27,446.27 × 12,303.26
  4. Step 4: Simplify right side
    18,318.46x = 337,678,595.84
  5. Step 5: Solve for x
    x = 337,678,595.84/18,318.46
  6. Step 6: Final answer
    x = 18,433.79

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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.