Home / 18,141.84-27,223.28-7,610.94

Finding the Fourth Proportional to 18,141.84, 27,223.28 and 7,610.94

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Solution

The fourth proportional to 18,141.84, 27,223.28 and 7,610.94 is: 11,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.84 : 27,223.28 = 7,610.94 : x
  2. Step 2: Convert to fraction form
    18,141.84/27,223.28 = 7,610.94/x
  3. Step 3: Cross multiply
    18,141.84x = 27,223.28 × 7,610.94
  4. Step 4: Simplify right side
    18,141.84x = 207,194,750.68
  5. Step 5: Solve for x
    x = 207,194,750.68/18,141.84
  6. Step 6: Final answer
    x = 11,420.82

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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.