Home / 13,664.19-18,851.01-8,628.33

Finding the Fourth Proportional to 13,664.19, 18,851.01 and 8,628.33

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Solution

The fourth proportional to 13,664.19, 18,851.01 and 8,628.33 is: 11,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.19 : 18,851.01 = 8,628.33 : x
  2. Step 2: Convert to fraction form
    13,664.19/18,851.01 = 8,628.33/x
  3. Step 3: Cross multiply
    13,664.19x = 18,851.01 × 8,628.33
  4. Step 4: Simplify right side
    13,664.19x = 162,652,735.11
  5. Step 5: Solve for x
    x = 162,652,735.11/13,664.19
  6. Step 6: Final answer
    x = 11,903.58

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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.