Home / 17,964.84-26,953.74-6,279.78

Finding the Fourth Proportional to 17,964.84, 26,953.74 and 6,279.78

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Solution

The fourth proportional to 17,964.84, 26,953.74 and 6,279.78 is: 9,421.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,964.84 : 26,953.74 = 6,279.78 : x
  2. Step 2: Convert to fraction form
    17,964.84/26,953.74 = 6,279.78/x
  3. Step 3: Cross multiply
    17,964.84x = 26,953.74 × 6,279.78
  4. Step 4: Simplify right side
    17,964.84x = 169,263,557.38
  5. Step 5: Solve for x
    x = 169,263,557.38/17,964.84
  6. Step 6: Final answer
    x = 9,421.94

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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.