Home / 14,093.30-21,139.68-5,661.94

Finding the Fourth Proportional to 14,093.30, 21,139.68 and 5,661.94

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Solution

The fourth proportional to 14,093.30, 21,139.68 and 5,661.94 is: 8,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.30 : 21,139.68 = 5,661.94 : x
  2. Step 2: Convert to fraction form
    14,093.30/21,139.68 = 5,661.94/x
  3. Step 3: Cross multiply
    14,093.30x = 21,139.68 × 5,661.94
  4. Step 4: Simplify right side
    14,093.30x = 119,691,599.78
  5. Step 5: Solve for x
    x = 119,691,599.78/14,093.30
  6. Step 6: Final answer
    x = 8,492.80

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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.