Home / 13,669.25-18,864.05-8,004.51

Finding the Fourth Proportional to 13,669.25, 18,864.05 and 8,004.51

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Solution

The fourth proportional to 13,669.25, 18,864.05 and 8,004.51 is: 11,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.25 : 18,864.05 = 8,004.51 : x
  2. Step 2: Convert to fraction form
    13,669.25/18,864.05 = 8,004.51/x
  3. Step 3: Cross multiply
    13,669.25x = 18,864.05 × 8,004.51
  4. Step 4: Simplify right side
    13,669.25x = 150,997,436.84
  5. Step 5: Solve for x
    x = 150,997,436.84/13,669.25
  6. Step 6: Final answer
    x = 11,046.51

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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.