Home / 12,831.54-19,247.30-9,343.74

Finding the Fourth Proportional to 12,831.54, 19,247.30 and 9,343.74

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Solution

The fourth proportional to 12,831.54, 19,247.30 and 9,343.74 is: 14,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831.54 : 19,247.30 = 9,343.74 : x
  2. Step 2: Convert to fraction form
    12,831.54/19,247.30 = 9,343.74/x
  3. Step 3: Cross multiply
    12,831.54x = 19,247.30 × 9,343.74
  4. Step 4: Simplify right side
    12,831.54x = 179,841,720.18
  5. Step 5: Solve for x
    x = 179,841,720.18/12,831.54
  6. Step 6: Final answer
    x = 14,015.60

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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.