Home / 19,842.84-29,743.56-6,690.69

Finding the Fourth Proportional to 19,842.84, 29,743.56 and 6,690.69

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Solution

The fourth proportional to 19,842.84, 29,743.56 and 6,690.69 is: 10,029.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.84 : 29,743.56 = 6,690.69 : x
  2. Step 2: Convert to fraction form
    19,842.84/29,743.56 = 6,690.69/x
  3. Step 3: Cross multiply
    19,842.84x = 29,743.56 × 6,690.69
  4. Step 4: Simplify right side
    19,842.84x = 199,004,939.46
  5. Step 5: Solve for x
    x = 199,004,939.46/19,842.84
  6. Step 6: Final answer
    x = 10,029.06

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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.