Home / 14,277.88-21,416.74-3,889.60

Finding the Fourth Proportional to 14,277.88, 21,416.74 and 3,889.60

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Solution

The fourth proportional to 14,277.88, 21,416.74 and 3,889.60 is: 5,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.88 : 21,416.74 = 3,889.60 : x
  2. Step 2: Convert to fraction form
    14,277.88/21,416.74 = 3,889.60/x
  3. Step 3: Cross multiply
    14,277.88x = 21,416.74 × 3,889.60
  4. Step 4: Simplify right side
    14,277.88x = 83,302,551.90
  5. Step 5: Solve for x
    x = 83,302,551.90/14,277.88
  6. Step 6: Final answer
    x = 5,834.38

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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.