Home / 15,359.43-22,919.31-13,704.60

Finding the Fourth Proportional to 15,359.43, 22,919.31 and 13,704.60

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Solution

The fourth proportional to 15,359.43, 22,919.31 and 13,704.60 is: 20,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.43 : 22,919.31 = 13,704.60 : x
  2. Step 2: Convert to fraction form
    15,359.43/22,919.31 = 13,704.60/x
  3. Step 3: Cross multiply
    15,359.43x = 22,919.31 × 13,704.60
  4. Step 4: Simplify right side
    15,359.43x = 314,099,975.83
  5. Step 5: Solve for x
    x = 314,099,975.83/15,359.43
  6. Step 6: Final answer
    x = 20,449.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.