Home / 14,191.44-21,276.76-4,828.94

Finding the Fourth Proportional to 14,191.44, 21,276.76 and 4,828.94

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Solution

The fourth proportional to 14,191.44, 21,276.76 and 4,828.94 is: 7,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,191.44 : 21,276.76 = 4,828.94 : x
  2. Step 2: Convert to fraction form
    14,191.44/21,276.76 = 4,828.94/x
  3. Step 3: Cross multiply
    14,191.44x = 21,276.76 × 4,828.94
  4. Step 4: Simplify right side
    14,191.44x = 102,744,217.48
  5. Step 5: Solve for x
    x = 102,744,217.48/14,191.44
  6. Step 6: Final answer
    x = 7,239.87

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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.