Home / 18,169.79-27,254.70-5,690.89

Finding the Fourth Proportional to 18,169.79, 27,254.70 and 5,690.89

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Solution

The fourth proportional to 18,169.79, 27,254.70 and 5,690.89 is: 8,536.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,169.79 : 27,254.70 = 5,690.89 : x
  2. Step 2: Convert to fraction form
    18,169.79/27,254.70 = 5,690.89/x
  3. Step 3: Cross multiply
    18,169.79x = 27,254.70 × 5,690.89
  4. Step 4: Simplify right side
    18,169.79x = 155,103,431.55
  5. Step 5: Solve for x
    x = 155,103,431.55/18,169.79
  6. Step 6: Final answer
    x = 8,536.33

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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.