Home / 21,467.80-29,627.58-12,514.60

Finding the Fourth Proportional to 21,467.80, 29,627.58 and 12,514.60

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Solution

The fourth proportional to 21,467.80, 29,627.58 and 12,514.60 is: 17,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.80 : 29,627.58 = 12,514.60 : x
  2. Step 2: Convert to fraction form
    21,467.80/29,627.58 = 12,514.60/x
  3. Step 3: Cross multiply
    21,467.80x = 29,627.58 × 12,514.60
  4. Step 4: Simplify right side
    21,467.80x = 370,777,312.67
  5. Step 5: Solve for x
    x = 370,777,312.67/21,467.80
  6. Step 6: Final answer
    x = 17,271.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.