Home / 18,270.90-27,406.65-5,791.03

Finding the Fourth Proportional to 18,270.90, 27,406.65 and 5,791.03

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Solution

The fourth proportional to 18,270.90, 27,406.65 and 5,791.03 is: 8,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.90 : 27,406.65 = 5,791.03 : x
  2. Step 2: Convert to fraction form
    18,270.90/27,406.65 = 5,791.03/x
  3. Step 3: Cross multiply
    18,270.90x = 27,406.65 × 5,791.03
  4. Step 4: Simplify right side
    18,270.90x = 158,712,685.55
  5. Step 5: Solve for x
    x = 158,712,685.55/18,270.90
  6. Step 6: Final answer
    x = 8,686.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.