Home / 25,364.49-38,054.84-12,218.19

Finding the Fourth Proportional to 25,364.49, 38,054.84 and 12,218.19

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Solution

The fourth proportional to 25,364.49, 38,054.84 and 12,218.19 is: 18,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,364.49 : 38,054.84 = 12,218.19 : x
  2. Step 2: Convert to fraction form
    25,364.49/38,054.84 = 12,218.19/x
  3. Step 3: Cross multiply
    25,364.49x = 38,054.84 × 12,218.19
  4. Step 4: Simplify right side
    25,364.49x = 464,961,204.45
  5. Step 5: Solve for x
    x = 464,961,204.45/25,364.49
  6. Step 6: Final answer
    x = 18,331.19

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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.