Home / 15,955.27-22,048.63-11,969.46

Finding the Fourth Proportional to 15,955.27, 22,048.63 and 11,969.46

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Solution

The fourth proportional to 15,955.27, 22,048.63 and 11,969.46 is: 16,540.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.27 : 22,048.63 = 11,969.46 : x
  2. Step 2: Convert to fraction form
    15,955.27/22,048.63 = 11,969.46/x
  3. Step 3: Cross multiply
    15,955.27x = 22,048.63 × 11,969.46
  4. Step 4: Simplify right side
    15,955.27x = 263,910,194.84
  5. Step 5: Solve for x
    x = 263,910,194.84/15,955.27
  6. Step 6: Final answer
    x = 16,540.63

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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.