Home / 14,172.76-19,556.20-8,203.26

Finding the Fourth Proportional to 14,172.76, 19,556.20 and 8,203.26

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Solution

The fourth proportional to 14,172.76, 19,556.20 and 8,203.26 is: 11,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,172.76 : 19,556.20 = 8,203.26 : x
  2. Step 2: Convert to fraction form
    14,172.76/19,556.20 = 8,203.26/x
  3. Step 3: Cross multiply
    14,172.76x = 19,556.20 × 8,203.26
  4. Step 4: Simplify right side
    14,172.76x = 160,424,593.21
  5. Step 5: Solve for x
    x = 160,424,593.21/14,172.76
  6. Step 6: Final answer
    x = 11,319.22

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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.