Home / 19,838.79-29,743.61-9,457.83

Finding the Fourth Proportional to 19,838.79, 29,743.61 and 9,457.83

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Solution

The fourth proportional to 19,838.79, 29,743.61 and 9,457.83 is: 14,179.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.79 : 29,743.61 = 9,457.83 : x
  2. Step 2: Convert to fraction form
    19,838.79/29,743.61 = 9,457.83/x
  3. Step 3: Cross multiply
    19,838.79x = 29,743.61 × 9,457.83
  4. Step 4: Simplify right side
    19,838.79x = 281,309,959.68
  5. Step 5: Solve for x
    x = 281,309,959.68/19,838.79
  6. Step 6: Final answer
    x = 14,179.79

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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.