Home / 13,860.76-20,794.38-9,480.28

Finding the Fourth Proportional to 13,860.76, 20,794.38 and 9,480.28

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Solution

The fourth proportional to 13,860.76, 20,794.38 and 9,480.28 is: 14,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.76 : 20,794.38 = 9,480.28 : x
  2. Step 2: Convert to fraction form
    13,860.76/20,794.38 = 9,480.28/x
  3. Step 3: Cross multiply
    13,860.76x = 20,794.38 × 9,480.28
  4. Step 4: Simplify right side
    13,860.76x = 197,136,544.83
  5. Step 5: Solve for x
    x = 197,136,544.83/13,860.76
  6. Step 6: Final answer
    x = 14,222.64

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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.