Home / 20,237.47-27,926.69-11,164.41

Finding the Fourth Proportional to 20,237.47, 27,926.69 and 11,164.41

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Solution

The fourth proportional to 20,237.47, 27,926.69 and 11,164.41 is: 15,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.47 : 27,926.69 = 11,164.41 : x
  2. Step 2: Convert to fraction form
    20,237.47/27,926.69 = 11,164.41/x
  3. Step 3: Cross multiply
    20,237.47x = 27,926.69 × 11,164.41
  4. Step 4: Simplify right side
    20,237.47x = 311,784,961.28
  5. Step 5: Solve for x
    x = 311,784,961.28/20,237.47
  6. Step 6: Final answer
    x = 15,406.32

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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.