Home / 18,394.46-25,377.77-12,346.18

Finding the Fourth Proportional to 18,394.46, 25,377.77 and 12,346.18

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Solution

The fourth proportional to 18,394.46, 25,377.77 and 12,346.18 is: 17,033.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,394.46 : 25,377.77 = 12,346.18 : x
  2. Step 2: Convert to fraction form
    18,394.46/25,377.77 = 12,346.18/x
  3. Step 3: Cross multiply
    18,394.46x = 25,377.77 × 12,346.18
  4. Step 4: Simplify right side
    18,394.46x = 313,318,516.42
  5. Step 5: Solve for x
    x = 313,318,516.42/18,394.46
  6. Step 6: Final answer
    x = 17,033.31

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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.