Home / 18,371.40-27,564.30-6,685.80

Finding the Fourth Proportional to 18,371.40, 27,564.30 and 6,685.80

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Solution

The fourth proportional to 18,371.40, 27,564.30 and 6,685.80 is: 10,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.40 : 27,564.30 = 6,685.80 : x
  2. Step 2: Convert to fraction form
    18,371.40/27,564.30 = 6,685.80/x
  3. Step 3: Cross multiply
    18,371.40x = 27,564.30 × 6,685.80
  4. Step 4: Simplify right side
    18,371.40x = 184,289,396.94
  5. Step 5: Solve for x
    x = 184,289,396.94/18,371.40
  6. Step 6: Final answer
    x = 10,031.32

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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.