Home / 12,009.63-18,021.73-5,084.13

Finding the Fourth Proportional to 12,009.63, 18,021.73 and 5,084.13

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Solution

The fourth proportional to 12,009.63, 18,021.73 and 5,084.13 is: 7,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.63 : 18,021.73 = 5,084.13 : x
  2. Step 2: Convert to fraction form
    12,009.63/18,021.73 = 5,084.13/x
  3. Step 3: Cross multiply
    12,009.63x = 18,021.73 × 5,084.13
  4. Step 4: Simplify right side
    12,009.63x = 91,624,818.14
  5. Step 5: Solve for x
    x = 91,624,818.14/12,009.63
  6. Step 6: Final answer
    x = 7,629.28

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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.