Home / 19,330.44-29,044.26-12,313.61

Finding the Fourth Proportional to 19,330.44, 29,044.26 and 12,313.61

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Solution

The fourth proportional to 19,330.44, 29,044.26 and 12,313.61 is: 18,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.44 : 29,044.26 = 12,313.61 : x
  2. Step 2: Convert to fraction form
    19,330.44/29,044.26 = 12,313.61/x
  3. Step 3: Cross multiply
    19,330.44x = 29,044.26 × 12,313.61
  4. Step 4: Simplify right side
    19,330.44x = 357,639,690.38
  5. Step 5: Solve for x
    x = 357,639,690.38/19,330.44
  6. Step 6: Final answer
    x = 18,501.37

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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.