Home / 20,210.60-27,892.68-11,259.56

Finding the Fourth Proportional to 20,210.60, 27,892.68 and 11,259.56

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Solution

The fourth proportional to 20,210.60, 27,892.68 and 11,259.56 is: 15,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210.60 : 27,892.68 = 11,259.56 : x
  2. Step 2: Convert to fraction form
    20,210.60/27,892.68 = 11,259.56/x
  3. Step 3: Cross multiply
    20,210.60x = 27,892.68 × 11,259.56
  4. Step 4: Simplify right side
    20,210.60x = 314,059,304.02
  5. Step 5: Solve for x
    x = 314,059,304.02/20,210.60
  6. Step 6: Final answer
    x = 15,539.34

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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.