Home / 18,399.51-25,394.65-10,845.41

Finding the Fourth Proportional to 18,399.51, 25,394.65 and 10,845.41

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Solution

The fourth proportional to 18,399.51, 25,394.65 and 10,845.41 is: 14,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,399.51 : 25,394.65 = 10,845.41 : x
  2. Step 2: Convert to fraction form
    18,399.51/25,394.65 = 10,845.41/x
  3. Step 3: Cross multiply
    18,399.51x = 25,394.65 × 10,845.41
  4. Step 4: Simplify right side
    18,399.51x = 275,415,236.97
  5. Step 5: Solve for x
    x = 275,415,236.97/18,399.51
  6. Step 6: Final answer
    x = 14,968.62

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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.