Home / 20,374.37-30,554.27-11,021.30

Finding the Fourth Proportional to 20,374.37, 30,554.27 and 11,021.30

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Solution

The fourth proportional to 20,374.37, 30,554.27 and 11,021.30 is: 16,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,374.37 : 30,554.27 = 11,021.30 : x
  2. Step 2: Convert to fraction form
    20,374.37/30,554.27 = 11,021.30/x
  3. Step 3: Cross multiply
    20,374.37x = 30,554.27 × 11,021.30
  4. Step 4: Simplify right side
    20,374.37x = 336,747,720.84
  5. Step 5: Solve for x
    x = 336,747,720.84/20,374.37
  6. Step 6: Final answer
    x = 16,528.01

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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.