Home / 18,339.40-27,509.31-5,859.33

Finding the Fourth Proportional to 18,339.40, 27,509.31 and 5,859.33

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Solution

The fourth proportional to 18,339.40, 27,509.31 and 5,859.33 is: 8,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.40 : 27,509.31 = 5,859.33 : x
  2. Step 2: Convert to fraction form
    18,339.40/27,509.31 = 5,859.33/x
  3. Step 3: Cross multiply
    18,339.40x = 27,509.31 × 5,859.33
  4. Step 4: Simplify right side
    18,339.40x = 161,185,958.52
  5. Step 5: Solve for x
    x = 161,185,958.52/18,339.40
  6. Step 6: Final answer
    x = 8,789.05

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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.