Home / 14,589.94-20,134.10-8,623.76

Finding the Fourth Proportional to 14,589.94, 20,134.10 and 8,623.76

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Solution

The fourth proportional to 14,589.94, 20,134.10 and 8,623.76 is: 11,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.94 : 20,134.10 = 8,623.76 : x
  2. Step 2: Convert to fraction form
    14,589.94/20,134.10 = 8,623.76/x
  3. Step 3: Cross multiply
    14,589.94x = 20,134.10 × 8,623.76
  4. Step 4: Simplify right side
    14,589.94x = 173,631,646.22
  5. Step 5: Solve for x
    x = 173,631,646.22/14,589.94
  6. Step 6: Final answer
    x = 11,900.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.