Home / 20,358.46-30,518.54-10,984.43

Finding the Fourth Proportional to 20,358.46, 30,518.54 and 10,984.43

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Solution

The fourth proportional to 20,358.46, 30,518.54 and 10,984.43 is: 16,466.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358.46 : 30,518.54 = 10,984.43 : x
  2. Step 2: Convert to fraction form
    20,358.46/30,518.54 = 10,984.43/x
  3. Step 3: Cross multiply
    20,358.46x = 30,518.54 × 10,984.43
  4. Step 4: Simplify right side
    20,358.46x = 335,228,657.23
  5. Step 5: Solve for x
    x = 335,228,657.23/20,358.46
  6. Step 6: Final answer
    x = 16,466.31

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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.