Home / 20,271.07-30,410.39-6,230.80

Finding the Fourth Proportional to 20,271.07, 30,410.39 and 6,230.80

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Solution

The fourth proportional to 20,271.07, 30,410.39 and 6,230.80 is: 9,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271.07 : 30,410.39 = 6,230.80 : x
  2. Step 2: Convert to fraction form
    20,271.07/30,410.39 = 6,230.80/x
  3. Step 3: Cross multiply
    20,271.07x = 30,410.39 × 6,230.80
  4. Step 4: Simplify right side
    20,271.07x = 189,480,950.83
  5. Step 5: Solve for x
    x = 189,480,950.83/20,271.07
  6. Step 6: Final answer
    x = 9,347.36

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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.