Home / 18,083.81-27,117.21-6,995.72

Finding the Fourth Proportional to 18,083.81, 27,117.21 and 6,995.72

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Solution

The fourth proportional to 18,083.81, 27,117.21 and 6,995.72 is: 10,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.81 : 27,117.21 = 6,995.72 : x
  2. Step 2: Convert to fraction form
    18,083.81/27,117.21 = 6,995.72/x
  3. Step 3: Cross multiply
    18,083.81x = 27,117.21 × 6,995.72
  4. Step 4: Simplify right side
    18,083.81x = 189,704,408.34
  5. Step 5: Solve for x
    x = 189,704,408.34/18,083.81
  6. Step 6: Final answer
    x = 10,490.29

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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.