Home / 13,669.80-20,504.67-10,554.33

Finding the Fourth Proportional to 13,669.80, 20,504.67 and 10,554.33

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Solution

The fourth proportional to 13,669.80, 20,504.67 and 10,554.33 is: 15,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.80 : 20,504.67 = 10,554.33 : x
  2. Step 2: Convert to fraction form
    13,669.80/20,504.67 = 10,554.33/x
  3. Step 3: Cross multiply
    13,669.80x = 20,504.67 × 10,554.33
  4. Step 4: Simplify right side
    13,669.80x = 216,413,053.72
  5. Step 5: Solve for x
    x = 216,413,053.72/13,669.80
  6. Step 6: Final answer
    x = 15,831.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.