Home / 13,235.37-19,855.49-4,351.20

Finding the Fourth Proportional to 13,235.37, 19,855.49 and 4,351.20

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Solution

The fourth proportional to 13,235.37, 19,855.49 and 4,351.20 is: 6,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.37 : 19,855.49 = 4,351.20 : x
  2. Step 2: Convert to fraction form
    13,235.37/19,855.49 = 4,351.20/x
  3. Step 3: Cross multiply
    13,235.37x = 19,855.49 × 4,351.20
  4. Step 4: Simplify right side
    13,235.37x = 86,395,186.33
  5. Step 5: Solve for x
    x = 86,395,186.33/13,235.37
  6. Step 6: Final answer
    x = 6,527.60

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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.