Home / 18,629.88-27,946.80-6,146.28

Finding the Fourth Proportional to 18,629.88, 27,946.80 and 6,146.28

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Solution

The fourth proportional to 18,629.88, 27,946.80 and 6,146.28 is: 9,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.88 : 27,946.80 = 6,146.28 : x
  2. Step 2: Convert to fraction form
    18,629.88/27,946.80 = 6,146.28/x
  3. Step 3: Cross multiply
    18,629.88x = 27,946.80 × 6,146.28
  4. Step 4: Simplify right side
    18,629.88x = 171,768,857.90
  5. Step 5: Solve for x
    x = 171,768,857.90/18,629.88
  6. Step 6: Final answer
    x = 9,220.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.