Home / 13,651.44-20,478.24-5,858.28

Finding the Fourth Proportional to 13,651.44, 20,478.24 and 5,858.28

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Solution

The fourth proportional to 13,651.44, 20,478.24 and 5,858.28 is: 8,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.44 : 20,478.24 = 5,858.28 : x
  2. Step 2: Convert to fraction form
    13,651.44/20,478.24 = 5,858.28/x
  3. Step 3: Cross multiply
    13,651.44x = 20,478.24 × 5,858.28
  4. Step 4: Simplify right side
    13,651.44x = 119,967,263.83
  5. Step 5: Solve for x
    x = 119,967,263.83/13,651.44
  6. Step 6: Final answer
    x = 8,787.88

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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.