Home / 23,102.24-31,880.94-12,491.83

Finding the Fourth Proportional to 23,102.24, 31,880.94 and 12,491.83

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Solution

The fourth proportional to 23,102.24, 31,880.94 and 12,491.83 is: 17,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.24 : 31,880.94 = 12,491.83 : x
  2. Step 2: Convert to fraction form
    23,102.24/31,880.94 = 12,491.83/x
  3. Step 3: Cross multiply
    23,102.24x = 31,880.94 × 12,491.83
  4. Step 4: Simplify right side
    23,102.24x = 398,251,123.32
  5. Step 5: Solve for x
    x = 398,251,123.32/23,102.24
  6. Step 6: Final answer
    x = 17,238.64

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1.5x scale

Why These Related Problems?

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