Home / 19,996.24-29,968.34-8,136.19

Finding the Fourth Proportional to 19,996.24, 29,968.34 and 8,136.19

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Solution

The fourth proportional to 19,996.24, 29,968.34 and 8,136.19 is: 12,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.24 : 29,968.34 = 8,136.19 : x
  2. Step 2: Convert to fraction form
    19,996.24/29,968.34 = 8,136.19/x
  3. Step 3: Cross multiply
    19,996.24x = 29,968.34 × 8,136.19
  4. Step 4: Simplify right side
    19,996.24x = 243,828,108.22
  5. Step 5: Solve for x
    x = 243,828,108.22/19,996.24
  6. Step 6: Final answer
    x = 12,193.70

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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.