Home / 22,485.81-33,722.31-6,690.21

Finding the Fourth Proportional to 22,485.81, 33,722.31 and 6,690.21

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Solution

The fourth proportional to 22,485.81, 33,722.31 and 6,690.21 is: 10,033.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,485.81 : 33,722.31 = 6,690.21 : x
  2. Step 2: Convert to fraction form
    22,485.81/33,722.31 = 6,690.21/x
  3. Step 3: Cross multiply
    22,485.81x = 33,722.31 × 6,690.21
  4. Step 4: Simplify right side
    22,485.81x = 225,609,335.59
  5. Step 5: Solve for x
    x = 225,609,335.59/22,485.81
  6. Step 6: Final answer
    x = 10,033.41

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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.