Home / 20,262.56-30,392.69-5,470.35

Finding the Fourth Proportional to 20,262.56, 30,392.69 and 5,470.35

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Solution

The fourth proportional to 20,262.56, 30,392.69 and 5,470.35 is: 8,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.56 : 30,392.69 = 5,470.35 : x
  2. Step 2: Convert to fraction form
    20,262.56/30,392.69 = 5,470.35/x
  3. Step 3: Cross multiply
    20,262.56x = 30,392.69 × 5,470.35
  4. Step 4: Simplify right side
    20,262.56x = 166,258,599.31
  5. Step 5: Solve for x
    x = 166,258,599.31/20,262.56
  6. Step 6: Final answer
    x = 8,205.21

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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.