Home / 10,136.16-15,203.88-2,741.76

Finding the Fourth Proportional to 10,136.16, 15,203.88 and 2,741.76

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Solution

The fourth proportional to 10,136.16, 15,203.88 and 2,741.76 is: 4,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.16 : 15,203.88 = 2,741.76 : x
  2. Step 2: Convert to fraction form
    10,136.16/15,203.88 = 2,741.76/x
  3. Step 3: Cross multiply
    10,136.16x = 15,203.88 × 2,741.76
  4. Step 4: Simplify right side
    10,136.16x = 41,685,390.03
  5. Step 5: Solve for x
    x = 41,685,390.03/10,136.16
  6. Step 6: Final answer
    x = 4,112.54

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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.