Home / 20,226.24-27,915.12-11,842.56

Finding the Fourth Proportional to 20,226.24, 27,915.12 and 11,842.56

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Solution

The fourth proportional to 20,226.24, 27,915.12 and 11,842.56 is: 16,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.24 : 27,915.12 = 11,842.56 : x
  2. Step 2: Convert to fraction form
    20,226.24/27,915.12 = 11,842.56/x
  3. Step 3: Cross multiply
    20,226.24x = 27,915.12 × 11,842.56
  4. Step 4: Simplify right side
    20,226.24x = 330,586,483.51
  5. Step 5: Solve for x
    x = 330,586,483.51/20,226.24
  6. Step 6: Final answer
    x = 16,344.44

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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.