Home / 23,086.42-34,629.63-13,218.87

Finding the Fourth Proportional to 23,086.42, 34,629.63 and 13,218.87

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Solution

The fourth proportional to 23,086.42, 34,629.63 and 13,218.87 is: 19,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,086.42 : 34,629.63 = 13,218.87 : x
  2. Step 2: Convert to fraction form
    23,086.42/34,629.63 = 13,218.87/x
  3. Step 3: Cross multiply
    23,086.42x = 34,629.63 × 13,218.87
  4. Step 4: Simplify right side
    23,086.42x = 457,764,577.12
  5. Step 5: Solve for x
    x = 457,764,577.12/23,086.42
  6. Step 6: Final answer
    x = 19,828.31

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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.