Home / 20,406.33-30,607.34-6,554.25

Finding the Fourth Proportional to 20,406.33, 30,607.34 and 6,554.25

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Solution

The fourth proportional to 20,406.33, 30,607.34 and 6,554.25 is: 9,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406.33 : 30,607.34 = 6,554.25 : x
  2. Step 2: Convert to fraction form
    20,406.33/30,607.34 = 6,554.25/x
  3. Step 3: Cross multiply
    20,406.33x = 30,607.34 × 6,554.25
  4. Step 4: Simplify right side
    20,406.33x = 200,608,125.42
  5. Step 5: Solve for x
    x = 200,608,125.42/20,406.33
  6. Step 6: Final answer
    x = 9,830.68

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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.