Home / 18,628.44-27,946.32-6,147.96

Finding the Fourth Proportional to 18,628.44, 27,946.32 and 6,147.96

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Solution

The fourth proportional to 18,628.44, 27,946.32 and 6,147.96 is: 9,223.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.44 : 27,946.32 = 6,147.96 : x
  2. Step 2: Convert to fraction form
    18,628.44/27,946.32 = 6,147.96/x
  3. Step 3: Cross multiply
    18,628.44x = 27,946.32 × 6,147.96
  4. Step 4: Simplify right side
    18,628.44x = 171,812,857.51
  5. Step 5: Solve for x
    x = 171,812,857.51/18,628.44
  6. Step 6: Final answer
    x = 9,223.15

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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.