Home / 18,039.30-27,064.41-8,676.66

Finding the Fourth Proportional to 18,039.30, 27,064.41 and 8,676.66

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Solution

The fourth proportional to 18,039.30, 27,064.41 and 8,676.66 is: 13,017.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.30 : 27,064.41 = 8,676.66 : x
  2. Step 2: Convert to fraction form
    18,039.30/27,064.41 = 8,676.66/x
  3. Step 3: Cross multiply
    18,039.30x = 27,064.41 × 8,676.66
  4. Step 4: Simplify right side
    18,039.30x = 234,828,683.67
  5. Step 5: Solve for x
    x = 234,828,683.67/18,039.30
  6. Step 6: Final answer
    x = 13,017.62

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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.