Home / 13,852.40-20,778.60-3,464.15

Finding the Fourth Proportional to 13,852.40, 20,778.60 and 3,464.15

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Solution

The fourth proportional to 13,852.40, 20,778.60 and 3,464.15 is: 5,196.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.40 : 20,778.60 = 3,464.15 : x
  2. Step 2: Convert to fraction form
    13,852.40/20,778.60 = 3,464.15/x
  3. Step 3: Cross multiply
    13,852.40x = 20,778.60 × 3,464.15
  4. Step 4: Simplify right side
    13,852.40x = 71,980,187.19
  5. Step 5: Solve for x
    x = 71,980,187.19/13,852.40
  6. Step 6: Final answer
    x = 5,196.23

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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.