Home / 13,212.12-19,805.41-4,442.25

Finding the Fourth Proportional to 13,212.12, 19,805.41 and 4,442.25

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Solution

The fourth proportional to 13,212.12, 19,805.41 and 4,442.25 is: 6,659.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.12 : 19,805.41 = 4,442.25 : x
  2. Step 2: Convert to fraction form
    13,212.12/19,805.41 = 4,442.25/x
  3. Step 3: Cross multiply
    13,212.12x = 19,805.41 × 4,442.25
  4. Step 4: Simplify right side
    13,212.12x = 87,980,582.57
  5. Step 5: Solve for x
    x = 87,980,582.57/13,212.12
  6. Step 6: Final answer
    x = 6,659.08

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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.