Home / 13,816.09-20,740.24-6,801.89

Finding the Fourth Proportional to 13,816.09, 20,740.24 and 6,801.89

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Solution

The fourth proportional to 13,816.09, 20,740.24 and 6,801.89 is: 10,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.09 : 20,740.24 = 6,801.89 : x
  2. Step 2: Convert to fraction form
    13,816.09/20,740.24 = 6,801.89/x
  3. Step 3: Cross multiply
    13,816.09x = 20,740.24 × 6,801.89
  4. Step 4: Simplify right side
    13,816.09x = 141,072,831.05
  5. Step 5: Solve for x
    x = 141,072,831.05/13,816.09
  6. Step 6: Final answer
    x = 10,210.77

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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.