Home / 10,193.06-15,291.79-3,172.93

Finding the Fourth Proportional to 10,193.06, 15,291.79 and 3,172.93

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Solution

The fourth proportional to 10,193.06, 15,291.79 and 3,172.93 is: 4,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.06 : 15,291.79 = 3,172.93 : x
  2. Step 2: Convert to fraction form
    10,193.06/15,291.79 = 3,172.93/x
  3. Step 3: Cross multiply
    10,193.06x = 15,291.79 × 3,172.93
  4. Step 4: Simplify right side
    10,193.06x = 48,519,733.08
  5. Step 5: Solve for x
    x = 48,519,733.08/10,193.06
  6. Step 6: Final answer
    x = 4,760.07

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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.