Home / 20,554.32-30,833.56-5,763.28

Finding the Fourth Proportional to 20,554.32, 30,833.56 and 5,763.28

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Solution

The fourth proportional to 20,554.32, 30,833.56 and 5,763.28 is: 8,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,554.32 : 30,833.56 = 5,763.28 : x
  2. Step 2: Convert to fraction form
    20,554.32/30,833.56 = 5,763.28/x
  3. Step 3: Cross multiply
    20,554.32x = 30,833.56 × 5,763.28
  4. Step 4: Simplify right side
    20,554.32x = 177,702,439.68
  5. Step 5: Solve for x
    x = 177,702,439.68/20,554.32
  6. Step 6: Final answer
    x = 8,645.50

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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.