Home / 14,216.76-21,325.68-3,828.78

Finding the Fourth Proportional to 14,216.76, 21,325.68 and 3,828.78

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Solution

The fourth proportional to 14,216.76, 21,325.68 and 3,828.78 is: 5,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.76 : 21,325.68 = 3,828.78 : x
  2. Step 2: Convert to fraction form
    14,216.76/21,325.68 = 3,828.78/x
  3. Step 3: Cross multiply
    14,216.76x = 21,325.68 × 3,828.78
  4. Step 4: Simplify right side
    14,216.76x = 81,651,337.07
  5. Step 5: Solve for x
    x = 81,651,337.07/14,216.76
  6. Step 6: Final answer
    x = 5,743.32

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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.