Home / 9,007.81-13,511.71-3,163.05

Finding the Fourth Proportional to 9,007.81, 13,511.71 and 3,163.05

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Solution

The fourth proportional to 9,007.81, 13,511.71 and 3,163.05 is: 4,744.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.81 : 13,511.71 = 3,163.05 : x
  2. Step 2: Convert to fraction form
    9,007.81/13,511.71 = 3,163.05/x
  3. Step 3: Cross multiply
    9,007.81x = 13,511.71 × 3,163.05
  4. Step 4: Simplify right side
    9,007.81x = 42,738,218.27
  5. Step 5: Solve for x
    x = 42,738,218.27/9,007.81
  6. Step 6: Final answer
    x = 4,744.58

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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.