Home / 18,459.27-27,689.31-5,975.55

Finding the Fourth Proportional to 18,459.27, 27,689.31 and 5,975.55

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Solution

The fourth proportional to 18,459.27, 27,689.31 and 5,975.55 is: 8,963.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.27 : 27,689.31 = 5,975.55 : x
  2. Step 2: Convert to fraction form
    18,459.27/27,689.31 = 5,975.55/x
  3. Step 3: Cross multiply
    18,459.27x = 27,689.31 × 5,975.55
  4. Step 4: Simplify right side
    18,459.27x = 165,458,856.37
  5. Step 5: Solve for x
    x = 165,458,856.37/18,459.27
  6. Step 6: Final answer
    x = 8,963.46

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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.