Home / 14,610.36-20,161.80-8,321.52

Finding the Fourth Proportional to 14,610.36, 20,161.80 and 8,321.52

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Solution

The fourth proportional to 14,610.36, 20,161.80 and 8,321.52 is: 11,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.36 : 20,161.80 = 8,321.52 : x
  2. Step 2: Convert to fraction form
    14,610.36/20,161.80 = 8,321.52/x
  3. Step 3: Cross multiply
    14,610.36x = 20,161.80 × 8,321.52
  4. Step 4: Simplify right side
    14,610.36x = 167,776,821.94
  5. Step 5: Solve for x
    x = 167,776,821.94/14,610.36
  6. Step 6: Final answer
    x = 11,483.41

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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.