Home / 18,181.96-25,087.98-10,223.08

Finding the Fourth Proportional to 18,181.96, 25,087.98 and 10,223.08

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Solution

The fourth proportional to 18,181.96, 25,087.98 and 10,223.08 is: 14,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.96 : 25,087.98 = 10,223.08 : x
  2. Step 2: Convert to fraction form
    18,181.96/25,087.98 = 10,223.08/x
  3. Step 3: Cross multiply
    18,181.96x = 25,087.98 × 10,223.08
  4. Step 4: Simplify right side
    18,181.96x = 256,476,426.58
  5. Step 5: Solve for x
    x = 256,476,426.58/18,181.96
  6. Step 6: Final answer
    x = 14,106.09

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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.