Home / 18,222.84-27,333.78-5,076.12

Finding the Fourth Proportional to 18,222.84, 27,333.78 and 5,076.12

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Solution

The fourth proportional to 18,222.84, 27,333.78 and 5,076.12 is: 7,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.84 : 27,333.78 = 5,076.12 : x
  2. Step 2: Convert to fraction form
    18,222.84/27,333.78 = 5,076.12/x
  3. Step 3: Cross multiply
    18,222.84x = 27,333.78 × 5,076.12
  4. Step 4: Simplify right side
    18,222.84x = 138,749,547.33
  5. Step 5: Solve for x
    x = 138,749,547.33/18,222.84
  6. Step 6: Final answer
    x = 7,614.05

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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.