Home / 20,214.02-27,894.61-11,261.06

Finding the Fourth Proportional to 20,214.02, 27,894.61 and 11,261.06

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Solution

The fourth proportional to 20,214.02, 27,894.61 and 11,261.06 is: 15,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,214.02 : 27,894.61 = 11,261.06 : x
  2. Step 2: Convert to fraction form
    20,214.02/27,894.61 = 11,261.06/x
  3. Step 3: Cross multiply
    20,214.02x = 27,894.61 × 11,261.06
  4. Step 4: Simplify right side
    20,214.02x = 314,122,856.09
  5. Step 5: Solve for x
    x = 314,122,856.09/20,214.02
  6. Step 6: Final answer
    x = 15,539.85

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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.