Home / 20,448.24-30,672.37-6,408.27

Finding the Fourth Proportional to 20,448.24, 30,672.37 and 6,408.27

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Solution

The fourth proportional to 20,448.24, 30,672.37 and 6,408.27 is: 9,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.24 : 30,672.37 = 6,408.27 : x
  2. Step 2: Convert to fraction form
    20,448.24/30,672.37 = 6,408.27/x
  3. Step 3: Cross multiply
    20,448.24x = 30,672.37 × 6,408.27
  4. Step 4: Simplify right side
    20,448.24x = 196,556,643.10
  5. Step 5: Solve for x
    x = 196,556,643.10/20,448.24
  6. Step 6: Final answer
    x = 9,612.40

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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.