Home / 13,540.26-18,637.34-9,757.44

Finding the Fourth Proportional to 13,540.26, 18,637.34 and 9,757.44

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Solution

The fourth proportional to 13,540.26, 18,637.34 and 9,757.44 is: 13,430.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540.26 : 18,637.34 = 9,757.44 : x
  2. Step 2: Convert to fraction form
    13,540.26/18,637.34 = 9,757.44/x
  3. Step 3: Cross multiply
    13,540.26x = 18,637.34 × 9,757.44
  4. Step 4: Simplify right side
    13,540.26x = 181,852,680.49
  5. Step 5: Solve for x
    x = 181,852,680.49/13,540.26
  6. Step 6: Final answer
    x = 13,430.51

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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.