Home / 14,371.72-19,829.99-8,402.23

Finding the Fourth Proportional to 14,371.72, 19,829.99 and 8,402.23

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Solution

The fourth proportional to 14,371.72, 19,829.99 and 8,402.23 is: 11,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371.72 : 19,829.99 = 8,402.23 : x
  2. Step 2: Convert to fraction form
    14,371.72/19,829.99 = 8,402.23/x
  3. Step 3: Cross multiply
    14,371.72x = 19,829.99 × 8,402.23
  4. Step 4: Simplify right side
    14,371.72x = 166,616,136.88
  5. Step 5: Solve for x
    x = 166,616,136.88/14,371.72
  6. Step 6: Final answer
    x = 11,593.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.