Home / 21,942.66-32,918.86-8,616.94

Finding the Fourth Proportional to 21,942.66, 32,918.86 and 8,616.94

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Solution

The fourth proportional to 21,942.66, 32,918.86 and 8,616.94 is: 12,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,942.66 : 32,918.86 = 8,616.94 : x
  2. Step 2: Convert to fraction form
    21,942.66/32,918.86 = 8,616.94/x
  3. Step 3: Cross multiply
    21,942.66x = 32,918.86 × 8,616.94
  4. Step 4: Simplify right side
    21,942.66x = 283,659,841.49
  5. Step 5: Solve for x
    x = 283,659,841.49/21,942.66
  6. Step 6: Final answer
    x = 12,927.32

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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.