Home / 13,148.37-19,725.80-6,221.25

Finding the Fourth Proportional to 13,148.37, 19,725.80 and 6,221.25

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Solution

The fourth proportional to 13,148.37, 19,725.80 and 6,221.25 is: 9,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.37 : 19,725.80 = 6,221.25 : x
  2. Step 2: Convert to fraction form
    13,148.37/19,725.80 = 6,221.25/x
  3. Step 3: Cross multiply
    13,148.37x = 19,725.80 × 6,221.25
  4. Step 4: Simplify right side
    13,148.37x = 122,719,102.14
  5. Step 5: Solve for x
    x = 122,719,102.14/13,148.37
  6. Step 6: Final answer
    x = 9,333.41

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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.