Home / 16,791.39-23,172.23-9,238.20

Finding the Fourth Proportional to 16,791.39, 23,172.23 and 9,238.20

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Solution

The fourth proportional to 16,791.39, 23,172.23 and 9,238.20 is: 12,748.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,791.39 : 23,172.23 = 9,238.20 : x
  2. Step 2: Convert to fraction form
    16,791.39/23,172.23 = 9,238.20/x
  3. Step 3: Cross multiply
    16,791.39x = 23,172.23 × 9,238.20
  4. Step 4: Simplify right side
    16,791.39x = 214,069,649.00
  5. Step 5: Solve for x
    x = 214,069,649.00/16,791.39
  6. Step 6: Final answer
    x = 12,748.77

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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.