Home / 13,843.69-20,762.49-6,441.10

Finding the Fourth Proportional to 13,843.69, 20,762.49 and 6,441.10

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Solution

The fourth proportional to 13,843.69, 20,762.49 and 6,441.10 is: 9,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,843.69 : 20,762.49 = 6,441.10 : x
  2. Step 2: Convert to fraction form
    13,843.69/20,762.49 = 6,441.10/x
  3. Step 3: Cross multiply
    13,843.69x = 20,762.49 × 6,441.10
  4. Step 4: Simplify right side
    13,843.69x = 133,733,274.34
  5. Step 5: Solve for x
    x = 133,733,274.34/13,843.69
  6. Step 6: Final answer
    x = 9,660.23

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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.