Home / 19,820.63-27,351.61-11,867.24

Finding the Fourth Proportional to 19,820.63, 27,351.61 and 11,867.24

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Solution

The fourth proportional to 19,820.63, 27,351.61 and 11,867.24 is: 16,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,820.63 : 27,351.61 = 11,867.24 : x
  2. Step 2: Convert to fraction form
    19,820.63/27,351.61 = 11,867.24/x
  3. Step 3: Cross multiply
    19,820.63x = 27,351.61 × 11,867.24
  4. Step 4: Simplify right side
    19,820.63x = 324,588,158.97
  5. Step 5: Solve for x
    x = 324,588,158.97/19,820.63
  6. Step 6: Final answer
    x = 16,376.28

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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.