Home / 14,635.19-21,939.32-5,272.92

Finding the Fourth Proportional to 14,635.19, 21,939.32 and 5,272.92

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Solution

The fourth proportional to 14,635.19, 21,939.32 and 5,272.92 is: 7,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.19 : 21,939.32 = 5,272.92 : x
  2. Step 2: Convert to fraction form
    14,635.19/21,939.32 = 5,272.92/x
  3. Step 3: Cross multiply
    14,635.19x = 21,939.32 × 5,272.92
  4. Step 4: Simplify right side
    14,635.19x = 115,684,279.21
  5. Step 5: Solve for x
    x = 115,684,279.21/14,635.19
  6. Step 6: Final answer
    x = 7,904.53

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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.