Home / 22,455.21-33,683.12-10,765.70

Finding the Fourth Proportional to 22,455.21, 33,683.12 and 10,765.70

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Solution

The fourth proportional to 22,455.21, 33,683.12 and 10,765.70 is: 16,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,455.21 : 33,683.12 = 10,765.70 : x
  2. Step 2: Convert to fraction form
    22,455.21/33,683.12 = 10,765.70/x
  3. Step 3: Cross multiply
    22,455.21x = 33,683.12 × 10,765.70
  4. Step 4: Simplify right side
    22,455.21x = 362,622,364.98
  5. Step 5: Solve for x
    x = 362,622,364.98/22,455.21
  6. Step 6: Final answer
    x = 16,148.70

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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.