Home / 13,828.88-20,746.32-5,063.72

Finding the Fourth Proportional to 13,828.88, 20,746.32 and 5,063.72

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Solution

The fourth proportional to 13,828.88, 20,746.32 and 5,063.72 is: 7,596.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.88 : 20,746.32 = 5,063.72 : x
  2. Step 2: Convert to fraction form
    13,828.88/20,746.32 = 5,063.72/x
  3. Step 3: Cross multiply
    13,828.88x = 20,746.32 × 5,063.72
  4. Step 4: Simplify right side
    13,828.88x = 105,053,555.51
  5. Step 5: Solve for x
    x = 105,053,555.51/13,828.88
  6. Step 6: Final answer
    x = 7,596.68

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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.