Home / 10,136.29-15,193.67-5,978.26

Finding the Fourth Proportional to 10,136.29, 15,193.67 and 5,978.26

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Solution

The fourth proportional to 10,136.29, 15,193.67 and 5,978.26 is: 8,961.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.29 : 15,193.67 = 5,978.26 : x
  2. Step 2: Convert to fraction form
    10,136.29/15,193.67 = 5,978.26/x
  3. Step 3: Cross multiply
    10,136.29x = 15,193.67 × 5,978.26
  4. Step 4: Simplify right side
    10,136.29x = 90,831,642.67
  5. Step 5: Solve for x
    x = 90,831,642.67/10,136.29
  6. Step 6: Final answer
    x = 8,961.03

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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.