Home / 13,504.34-20,282.78-11,007.36

Finding the Fourth Proportional to 13,504.34, 20,282.78 and 11,007.36

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Solution

The fourth proportional to 13,504.34, 20,282.78 and 11,007.36 is: 16,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.34 : 20,282.78 = 11,007.36 : x
  2. Step 2: Convert to fraction form
    13,504.34/20,282.78 = 11,007.36/x
  3. Step 3: Cross multiply
    13,504.34x = 20,282.78 × 11,007.36
  4. Step 4: Simplify right side
    13,504.34x = 223,259,831.58
  5. Step 5: Solve for x
    x = 223,259,831.58/13,504.34
  6. Step 6: Final answer
    x = 16,532.45

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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.