Home / 22,241.44-30,693.63-13,288.95

Finding the Fourth Proportional to 22,241.44, 30,693.63 and 13,288.95

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Solution

The fourth proportional to 22,241.44, 30,693.63 and 13,288.95 is: 18,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,241.44 : 30,693.63 = 13,288.95 : x
  2. Step 2: Convert to fraction form
    22,241.44/30,693.63 = 13,288.95/x
  3. Step 3: Cross multiply
    22,241.44x = 30,693.63 × 13,288.95
  4. Step 4: Simplify right side
    22,241.44x = 407,886,114.39
  5. Step 5: Solve for x
    x = 407,886,114.39/22,241.44
  6. Step 6: Final answer
    x = 18,339.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.