Home / 15,990.09-23,971.46-6,136.44

Finding the Fourth Proportional to 15,990.09, 23,971.46 and 6,136.44

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Solution

The fourth proportional to 15,990.09, 23,971.46 and 6,136.44 is: 9,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.09 : 23,971.46 = 6,136.44 : x
  2. Step 2: Convert to fraction form
    15,990.09/23,971.46 = 6,136.44/x
  3. Step 3: Cross multiply
    15,990.09x = 23,971.46 × 6,136.44
  4. Step 4: Simplify right side
    15,990.09x = 147,099,395.32
  5. Step 5: Solve for x
    x = 147,099,395.32/15,990.09
  6. Step 6: Final answer
    x = 9,199.41

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1.5x scale

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.