Home / 18,029.28-27,047.70-6,339.36

Finding the Fourth Proportional to 18,029.28, 27,047.70 and 6,339.36

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Solution

The fourth proportional to 18,029.28, 27,047.70 and 6,339.36 is: 9,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,029.28 : 27,047.70 = 6,339.36 : x
  2. Step 2: Convert to fraction form
    18,029.28/27,047.70 = 6,339.36/x
  3. Step 3: Cross multiply
    18,029.28x = 27,047.70 × 6,339.36
  4. Step 4: Simplify right side
    18,029.28x = 171,465,107.47
  5. Step 5: Solve for x
    x = 171,465,107.47/18,029.28
  6. Step 6: Final answer
    x = 9,510.37

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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.