Home / 19,077.43-28,622.37-9,217.84

Finding the Fourth Proportional to 19,077.43, 28,622.37 and 9,217.84

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Solution

The fourth proportional to 19,077.43, 28,622.37 and 9,217.84 is: 13,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.43 : 28,622.37 = 9,217.84 : x
  2. Step 2: Convert to fraction form
    19,077.43/28,622.37 = 9,217.84/x
  3. Step 3: Cross multiply
    19,077.43x = 28,622.37 × 9,217.84
  4. Step 4: Simplify right side
    19,077.43x = 263,836,427.08
  5. Step 5: Solve for x
    x = 263,836,427.08/19,077.43
  6. Step 6: Final answer
    x = 13,829.77

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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.