Home / 20,066.24-27,685.92-11,681.60

Finding the Fourth Proportional to 20,066.24, 27,685.92 and 11,681.60

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Solution

The fourth proportional to 20,066.24, 27,685.92 and 11,681.60 is: 16,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.24 : 27,685.92 = 11,681.60 : x
  2. Step 2: Convert to fraction form
    20,066.24/27,685.92 = 11,681.60/x
  3. Step 3: Cross multiply
    20,066.24x = 27,685.92 × 11,681.60
  4. Step 4: Simplify right side
    20,066.24x = 323,415,843.07
  5. Step 5: Solve for x
    x = 323,415,843.07/20,066.24
  6. Step 6: Final answer
    x = 16,117.41

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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.