Home / 22,172.64-30,598.20-12,741.18

Finding the Fourth Proportional to 22,172.64, 30,598.20 and 12,741.18

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Solution

The fourth proportional to 22,172.64, 30,598.20 and 12,741.18 is: 17,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.64 : 30,598.20 = 12,741.18 : x
  2. Step 2: Convert to fraction form
    22,172.64/30,598.20 = 12,741.18/x
  3. Step 3: Cross multiply
    22,172.64x = 30,598.20 × 12,741.18
  4. Step 4: Simplify right side
    22,172.64x = 389,857,173.88
  5. Step 5: Solve for x
    x = 389,857,173.88/22,172.64
  6. Step 6: Final answer
    x = 17,582.80

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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.