Home / 16,172.20-22,317.48-9,002.00

Finding the Fourth Proportional to 16,172.20, 22,317.48 and 9,002.00

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Solution

The fourth proportional to 16,172.20, 22,317.48 and 9,002.00 is: 12,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,172.20 : 22,317.48 = 9,002.00 : x
  2. Step 2: Convert to fraction form
    16,172.20/22,317.48 = 9,002.00/x
  3. Step 3: Cross multiply
    16,172.20x = 22,317.48 × 9,002.00
  4. Step 4: Simplify right side
    16,172.20x = 200,902,010.75
  5. Step 5: Solve for x
    x = 200,902,010.75/16,172.20
  6. Step 6: Final answer
    x = 12,422.68

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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.