Home / 14,277.75-21,391.18-12,176.44

Finding the Fourth Proportional to 14,277.75, 21,391.18 and 12,176.44

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Solution

The fourth proportional to 14,277.75, 21,391.18 and 12,176.44 is: 18,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.75 : 21,391.18 = 12,176.44 : x
  2. Step 2: Convert to fraction form
    14,277.75/21,391.18 = 12,176.44/x
  3. Step 3: Cross multiply
    14,277.75x = 21,391.18 × 12,176.44
  4. Step 4: Simplify right side
    14,277.75x = 260,468,419.80
  5. Step 5: Solve for x
    x = 260,468,419.80/14,277.75
  6. Step 6: Final answer
    x = 18,242.96

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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.