Home / 19,519.24-29,273.64-5,478.44

Finding the Fourth Proportional to 19,519.24, 29,273.64 and 5,478.44

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Solution

The fourth proportional to 19,519.24, 29,273.64 and 5,478.44 is: 8,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.24 : 29,273.64 = 5,478.44 : x
  2. Step 2: Convert to fraction form
    19,519.24/29,273.64 = 5,478.44/x
  3. Step 3: Cross multiply
    19,519.24x = 29,273.64 × 5,478.44
  4. Step 4: Simplify right side
    19,519.24x = 160,373,880.32
  5. Step 5: Solve for x
    x = 160,373,880.32/19,519.24
  6. Step 6: Final answer
    x = 8,216.19

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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.