Home / 20,562.21-30,843.45-6,521.94

Finding the Fourth Proportional to 20,562.21, 30,843.45 and 6,521.94

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Solution

The fourth proportional to 20,562.21, 30,843.45 and 6,521.94 is: 9,782.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,562.21 : 30,843.45 = 6,521.94 : x
  2. Step 2: Convert to fraction form
    20,562.21/30,843.45 = 6,521.94/x
  3. Step 3: Cross multiply
    20,562.21x = 30,843.45 × 6,521.94
  4. Step 4: Simplify right side
    20,562.21x = 201,159,130.29
  5. Step 5: Solve for x
    x = 201,159,130.29/20,562.21
  6. Step 6: Final answer
    x = 9,782.95

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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.