Home / 12,532.90-18,799.37-5,136.03

Finding the Fourth Proportional to 12,532.90, 18,799.37 and 5,136.03

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Solution

The fourth proportional to 12,532.90, 18,799.37 and 5,136.03 is: 7,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.90 : 18,799.37 = 5,136.03 : x
  2. Step 2: Convert to fraction form
    12,532.90/18,799.37 = 5,136.03/x
  3. Step 3: Cross multiply
    12,532.90x = 18,799.37 × 5,136.03
  4. Step 4: Simplify right side
    12,532.90x = 96,554,128.30
  5. Step 5: Solve for x
    x = 96,554,128.30/12,532.90
  6. Step 6: Final answer
    x = 7,704.05

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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.