Home / 23,102.11-31,880.93-12,491.74

Finding the Fourth Proportional to 23,102.11, 31,880.93 and 12,491.74

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Solution

The fourth proportional to 23,102.11, 31,880.93 and 12,491.74 is: 17,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.11 : 31,880.93 = 12,491.74 : x
  2. Step 2: Convert to fraction form
    23,102.11/31,880.93 = 12,491.74/x
  3. Step 3: Cross multiply
    23,102.11x = 31,880.93 × 12,491.74
  4. Step 4: Simplify right side
    23,102.11x = 398,248,129.11
  5. Step 5: Solve for x
    x = 398,248,129.11/23,102.11
  6. Step 6: Final answer
    x = 17,238.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.