Home / 14,556.26-21,852.84-12,120.86

Finding the Fourth Proportional to 14,556.26, 21,852.84 and 12,120.86

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Solution

The fourth proportional to 14,556.26, 21,852.84 and 12,120.86 is: 18,196.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.26 : 21,852.84 = 12,120.86 : x
  2. Step 2: Convert to fraction form
    14,556.26/21,852.84 = 12,120.86/x
  3. Step 3: Cross multiply
    14,556.26x = 21,852.84 × 12,120.86
  4. Step 4: Simplify right side
    14,556.26x = 264,875,214.24
  5. Step 5: Solve for x
    x = 264,875,214.24/14,556.26
  6. Step 6: Final answer
    x = 18,196.65

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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.