Home / 22,106.15-30,497.45-13,605.70

Finding the Fourth Proportional to 22,106.15, 30,497.45 and 13,605.70

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Solution

The fourth proportional to 22,106.15, 30,497.45 and 13,605.70 is: 18,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,106.15 : 30,497.45 = 13,605.70 : x
  2. Step 2: Convert to fraction form
    22,106.15/30,497.45 = 13,605.70/x
  3. Step 3: Cross multiply
    22,106.15x = 30,497.45 × 13,605.70
  4. Step 4: Simplify right side
    22,106.15x = 414,939,087.44
  5. Step 5: Solve for x
    x = 414,939,087.44/22,106.15
  6. Step 6: Final answer
    x = 18,770.31

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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.