Home / 10,136.79-15,205.13-2,741.22

Finding the Fourth Proportional to 10,136.79, 15,205.13 and 2,741.22

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Solution

The fourth proportional to 10,136.79, 15,205.13 and 2,741.22 is: 4,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.79 : 15,205.13 = 2,741.22 : x
  2. Step 2: Convert to fraction form
    10,136.79/15,205.13 = 2,741.22/x
  3. Step 3: Cross multiply
    10,136.79x = 15,205.13 × 2,741.22
  4. Step 4: Simplify right side
    10,136.79x = 41,680,592.75
  5. Step 5: Solve for x
    x = 41,680,592.75/10,136.79
  6. Step 6: Final answer
    x = 4,111.81

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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.