Home / 18,354.42-25,336.86-12,394.17

Finding the Fourth Proportional to 18,354.42, 25,336.86 and 12,394.17

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Solution

The fourth proportional to 18,354.42, 25,336.86 and 12,394.17 is: 17,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.42 : 25,336.86 = 12,394.17 : x
  2. Step 2: Convert to fraction form
    18,354.42/25,336.86 = 12,394.17/x
  3. Step 3: Cross multiply
    18,354.42x = 25,336.86 × 12,394.17
  4. Step 4: Simplify right side
    18,354.42x = 314,029,350.11
  5. Step 5: Solve for x
    x = 314,029,350.11/18,354.42
  6. Step 6: Final answer
    x = 17,109.19

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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.