Home / 10,111.06-15,166.59-3,090.79

Finding the Fourth Proportional to 10,111.06, 15,166.59 and 3,090.79

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Solution

The fourth proportional to 10,111.06, 15,166.59 and 3,090.79 is: 4,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.06 : 15,166.59 = 3,090.79 : x
  2. Step 2: Convert to fraction form
    10,111.06/15,166.59 = 3,090.79/x
  3. Step 3: Cross multiply
    10,111.06x = 15,166.59 × 3,090.79
  4. Step 4: Simplify right side
    10,111.06x = 46,876,744.71
  5. Step 5: Solve for x
    x = 46,876,744.71/10,111.06
  6. Step 6: Final answer
    x = 4,636.19

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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.