Home / 19,821.48-27,354.48-11,325

Finding the Fourth Proportional to 19,821.48, 27,354.48 and 11,325

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Solution

The fourth proportional to 19,821.48, 27,354.48 and 11,325 is: 15,628.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.48 : 27,354.48 = 11,325 : x
  2. Step 2: Convert to fraction form
    19,821.48/27,354.48 = 11,325/x
  3. Step 3: Cross multiply
    19,821.48x = 27,354.48 × 11,325
  4. Step 4: Simplify right side
    19,821.48x = 309,789,486
  5. Step 5: Solve for x
    x = 309,789,486/19,821.48
  6. Step 6: Final answer
    x = 15,628.98

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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.