Home / 17,818.49-26,727.74-7,964.64

Finding the Fourth Proportional to 17,818.49, 26,727.74 and 7,964.64

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Solution

The fourth proportional to 17,818.49, 26,727.74 and 7,964.64 is: 11,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.49 : 26,727.74 = 7,964.64 : x
  2. Step 2: Convert to fraction form
    17,818.49/26,727.74 = 7,964.64/x
  3. Step 3: Cross multiply
    17,818.49x = 26,727.74 × 7,964.64
  4. Step 4: Simplify right side
    17,818.49x = 212,876,817.16
  5. Step 5: Solve for x
    x = 212,876,817.16/17,818.49
  6. Step 6: Final answer
    x = 11,946.96

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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.