Home / 22,682.54-31,291.71-13,245.50

Finding the Fourth Proportional to 22,682.54, 31,291.71 and 13,245.50

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Solution

The fourth proportional to 22,682.54, 31,291.71 and 13,245.50 is: 18,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,682.54 : 31,291.71 = 13,245.50 : x
  2. Step 2: Convert to fraction form
    22,682.54/31,291.71 = 13,245.50/x
  3. Step 3: Cross multiply
    22,682.54x = 31,291.71 × 13,245.50
  4. Step 4: Simplify right side
    22,682.54x = 414,474,344.81
  5. Step 5: Solve for x
    x = 414,474,344.81/22,682.54
  6. Step 6: Final answer
    x = 18,272.84

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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.