Home / 20,623.53-30,895.44-12,310.17

Finding the Fourth Proportional to 20,623.53, 30,895.44 and 12,310.17

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Solution

The fourth proportional to 20,623.53, 30,895.44 and 12,310.17 is: 18,441.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.53 : 30,895.44 = 12,310.17 : x
  2. Step 2: Convert to fraction form
    20,623.53/30,895.44 = 12,310.17/x
  3. Step 3: Cross multiply
    20,623.53x = 30,895.44 × 12,310.17
  4. Step 4: Simplify right side
    20,623.53x = 380,328,057.07
  5. Step 5: Solve for x
    x = 380,328,057.07/20,623.53
  6. Step 6: Final answer
    x = 18,441.46

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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.