Home / 20,289.48-30,425.82-6,246.06

Finding the Fourth Proportional to 20,289.48, 30,425.82 and 6,246.06

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Solution

The fourth proportional to 20,289.48, 30,425.82 and 6,246.06 is: 9,366.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,289.48 : 30,425.82 = 6,246.06 : x
  2. Step 2: Convert to fraction form
    20,289.48/30,425.82 = 6,246.06/x
  3. Step 3: Cross multiply
    20,289.48x = 30,425.82 × 6,246.06
  4. Step 4: Simplify right side
    20,289.48x = 190,041,497.27
  5. Step 5: Solve for x
    x = 190,041,497.27/20,289.48
  6. Step 6: Final answer
    x = 9,366.50

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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.