Home / 18,403.58-27,601.31-5,921.22

Finding the Fourth Proportional to 18,403.58, 27,601.31 and 5,921.22

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Solution

The fourth proportional to 18,403.58, 27,601.31 and 5,921.22 is: 8,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.58 : 27,601.31 = 5,921.22 : x
  2. Step 2: Convert to fraction form
    18,403.58/27,601.31 = 5,921.22/x
  3. Step 3: Cross multiply
    18,403.58x = 27,601.31 × 5,921.22
  4. Step 4: Simplify right side
    18,403.58x = 163,433,428.80
  5. Step 5: Solve for x
    x = 163,433,428.80/18,403.58
  6. Step 6: Final answer
    x = 8,880.52

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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.