Home / 13,247.22-18,273.06-7,866.01

Finding the Fourth Proportional to 13,247.22, 18,273.06 and 7,866.01

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Solution

The fourth proportional to 13,247.22, 18,273.06 and 7,866.01 is: 10,850.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.22 : 18,273.06 = 7,866.01 : x
  2. Step 2: Convert to fraction form
    13,247.22/18,273.06 = 7,866.01/x
  3. Step 3: Cross multiply
    13,247.22x = 18,273.06 × 7,866.01
  4. Step 4: Simplify right side
    13,247.22x = 143,736,072.69
  5. Step 5: Solve for x
    x = 143,736,072.69/13,247.22
  6. Step 6: Final answer
    x = 10,850.28

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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.