Home / 14,217.87-21,329.31-4,855.69

Finding the Fourth Proportional to 14,217.87, 21,329.31 and 4,855.69

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Solution

The fourth proportional to 14,217.87, 21,329.31 and 4,855.69 is: 7,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.87 : 21,329.31 = 4,855.69 : x
  2. Step 2: Convert to fraction form
    14,217.87/21,329.31 = 4,855.69/x
  3. Step 3: Cross multiply
    14,217.87x = 21,329.31 × 4,855.69
  4. Step 4: Simplify right side
    14,217.87x = 103,568,607.81
  5. Step 5: Solve for x
    x = 103,568,607.81/14,217.87
  6. Step 6: Final answer
    x = 7,284.40

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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.