Home / 21,528.14-29,707.22-12,094.88

Finding the Fourth Proportional to 21,528.14, 29,707.22 and 12,094.88

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Solution

The fourth proportional to 21,528.14, 29,707.22 and 12,094.88 is: 16,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.14 : 29,707.22 = 12,094.88 : x
  2. Step 2: Convert to fraction form
    21,528.14/29,707.22 = 12,094.88/x
  3. Step 3: Cross multiply
    21,528.14x = 29,707.22 × 12,094.88
  4. Step 4: Simplify right side
    21,528.14x = 359,305,142.73
  5. Step 5: Solve for x
    x = 359,305,142.73/21,528.14
  6. Step 6: Final answer
    x = 16,690.03

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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.