Home / 20,309.28-30,466.81-6,270.47

Finding the Fourth Proportional to 20,309.28, 30,466.81 and 6,270.47

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Solution

The fourth proportional to 20,309.28, 30,466.81 and 6,270.47 is: 9,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.28 : 30,466.81 = 6,270.47 : x
  2. Step 2: Convert to fraction form
    20,309.28/30,466.81 = 6,270.47/x
  3. Step 3: Cross multiply
    20,309.28x = 30,466.81 × 6,270.47
  4. Step 4: Simplify right side
    20,309.28x = 191,041,050.09
  5. Step 5: Solve for x
    x = 191,041,050.09/20,309.28
  6. Step 6: Final answer
    x = 9,406.59

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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.