Home / 18,302.88-27,433.38-8,315.22

Finding the Fourth Proportional to 18,302.88, 27,433.38 and 8,315.22

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Solution

The fourth proportional to 18,302.88, 27,433.38 and 8,315.22 is: 12,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,302.88 : 27,433.38 = 8,315.22 : x
  2. Step 2: Convert to fraction form
    18,302.88/27,433.38 = 8,315.22/x
  3. Step 3: Cross multiply
    18,302.88x = 27,433.38 × 8,315.22
  4. Step 4: Simplify right side
    18,302.88x = 228,114,590.04
  5. Step 5: Solve for x
    x = 228,114,590.04/18,302.88
  6. Step 6: Final answer
    x = 12,463.32

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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.