Home / 15,819.54-23,729.13-6,464.58

Finding the Fourth Proportional to 15,819.54, 23,729.13 and 6,464.58

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Solution

The fourth proportional to 15,819.54, 23,729.13 and 6,464.58 is: 9,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.54 : 23,729.13 = 6,464.58 : x
  2. Step 2: Convert to fraction form
    15,819.54/23,729.13 = 6,464.58/x
  3. Step 3: Cross multiply
    15,819.54x = 23,729.13 × 6,464.58
  4. Step 4: Simplify right side
    15,819.54x = 153,398,859.22
  5. Step 5: Solve for x
    x = 153,398,859.22/15,819.54
  6. Step 6: Final answer
    x = 9,696.80

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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.