Home / 20,276.34-30,418.99-6,237.62

Finding the Fourth Proportional to 20,276.34, 30,418.99 and 6,237.62

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Solution

The fourth proportional to 20,276.34, 30,418.99 and 6,237.62 is: 9,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.34 : 30,418.99 = 6,237.62 : x
  2. Step 2: Convert to fraction form
    20,276.34/30,418.99 = 6,237.62/x
  3. Step 3: Cross multiply
    20,276.34x = 30,418.99 × 6,237.62
  4. Step 4: Simplify right side
    20,276.34x = 189,742,100.40
  5. Step 5: Solve for x
    x = 189,742,100.40/20,276.34
  6. Step 6: Final answer
    x = 9,357.81

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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.