Home / 20,009.47-27,614.61-11,057.74

Finding the Fourth Proportional to 20,009.47, 27,614.61 and 11,057.74

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Solution

The fourth proportional to 20,009.47, 27,614.61 and 11,057.74 is: 15,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.47 : 27,614.61 = 11,057.74 : x
  2. Step 2: Convert to fraction form
    20,009.47/27,614.61 = 11,057.74/x
  3. Step 3: Cross multiply
    20,009.47x = 27,614.61 × 11,057.74
  4. Step 4: Simplify right side
    20,009.47x = 305,355,177.58
  5. Step 5: Solve for x
    x = 305,355,177.58/20,009.47
  6. Step 6: Final answer
    x = 15,260.53

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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.