Home / 9,405.43-14,109.36-3,162.76

Finding the Fourth Proportional to 9,405.43, 14,109.36 and 3,162.76

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Solution

The fourth proportional to 9,405.43, 14,109.36 and 3,162.76 is: 4,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,405.43 : 14,109.36 = 3,162.76 : x
  2. Step 2: Convert to fraction form
    9,405.43/14,109.36 = 3,162.76/x
  3. Step 3: Cross multiply
    9,405.43x = 14,109.36 × 3,162.76
  4. Step 4: Simplify right side
    9,405.43x = 44,624,519.43
  5. Step 5: Solve for x
    x = 44,624,519.43/9,405.43
  6. Step 6: Final answer
    x = 4,744.55

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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.