Home / 13,636.26-18,769.28-9,650.46

Finding the Fourth Proportional to 13,636.26, 18,769.28 and 9,650.46

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Solution

The fourth proportional to 13,636.26, 18,769.28 and 9,650.46 is: 13,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.26 : 18,769.28 = 9,650.46 : x
  2. Step 2: Convert to fraction form
    13,636.26/18,769.28 = 9,650.46/x
  3. Step 3: Cross multiply
    13,636.26x = 18,769.28 × 9,650.46
  4. Step 4: Simplify right side
    13,636.26x = 181,132,185.87
  5. Step 5: Solve for x
    x = 181,132,185.87/13,636.26
  6. Step 6: Final answer
    x = 13,283.13

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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.