Home / 20,218.96-27,903.03-11,266.47

Finding the Fourth Proportional to 20,218.96, 27,903.03 and 11,266.47

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Solution

The fourth proportional to 20,218.96, 27,903.03 and 11,266.47 is: 15,548.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218.96 : 27,903.03 = 11,266.47 : x
  2. Step 2: Convert to fraction form
    20,218.96/27,903.03 = 11,266.47/x
  3. Step 3: Cross multiply
    20,218.96x = 27,903.03 × 11,266.47
  4. Step 4: Simplify right side
    20,218.96x = 314,368,594.07
  5. Step 5: Solve for x
    x = 314,368,594.07/20,218.96
  6. Step 6: Final answer
    x = 15,548.21

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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.