Home / 19,376.22-29,064.24-12,831.72

Finding the Fourth Proportional to 19,376.22, 29,064.24 and 12,831.72

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Solution

The fourth proportional to 19,376.22, 29,064.24 and 12,831.72 is: 19,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.22 : 29,064.24 = 12,831.72 : x
  2. Step 2: Convert to fraction form
    19,376.22/29,064.24 = 12,831.72/x
  3. Step 3: Cross multiply
    19,376.22x = 29,064.24 × 12,831.72
  4. Step 4: Simplify right side
    19,376.22x = 372,944,189.69
  5. Step 5: Solve for x
    x = 372,944,189.69/19,376.22
  6. Step 6: Final answer
    x = 19,247.52

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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.