Home / 19,821.77-27,354.25-11,325

Finding the Fourth Proportional to 19,821.77, 27,354.25 and 11,325

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Solution

The fourth proportional to 19,821.77, 27,354.25 and 11,325 is: 15,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.77 : 27,354.25 = 11,325 : x
  2. Step 2: Convert to fraction form
    19,821.77/27,354.25 = 11,325/x
  3. Step 3: Cross multiply
    19,821.77x = 27,354.25 × 11,325
  4. Step 4: Simplify right side
    19,821.77x = 309,786,881.25
  5. Step 5: Solve for x
    x = 309,786,881.25/19,821.77
  6. Step 6: Final answer
    x = 15,628.62

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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.