Home / 14,277.94-21,416.55-3,889.69

Finding the Fourth Proportional to 14,277.94, 21,416.55 and 3,889.69

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Solution

The fourth proportional to 14,277.94, 21,416.55 and 3,889.69 is: 5,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.94 : 21,416.55 = 3,889.69 : x
  2. Step 2: Convert to fraction form
    14,277.94/21,416.55 = 3,889.69/x
  3. Step 3: Cross multiply
    14,277.94x = 21,416.55 × 3,889.69
  4. Step 4: Simplify right side
    14,277.94x = 83,303,740.37
  5. Step 5: Solve for x
    x = 83,303,740.37/14,277.94
  6. Step 6: Final answer
    x = 5,834.44

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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.