Home / 20,483.01-30,724.91-6,442.74

Finding the Fourth Proportional to 20,483.01, 30,724.91 and 6,442.74

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Solution

The fourth proportional to 20,483.01, 30,724.91 and 6,442.74 is: 9,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483.01 : 30,724.91 = 6,442.74 : x
  2. Step 2: Convert to fraction form
    20,483.01/30,724.91 = 6,442.74/x
  3. Step 3: Cross multiply
    20,483.01x = 30,724.91 × 6,442.74
  4. Step 4: Simplify right side
    20,483.01x = 197,952,606.65
  5. Step 5: Solve for x
    x = 197,952,606.65/20,483.01
  6. Step 6: Final answer
    x = 9,664.23

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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.