Home / 23,245.16-32,078.36-12,634.76

Finding the Fourth Proportional to 23,245.16, 32,078.36 and 12,634.76

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Solution

The fourth proportional to 23,245.16, 32,078.36 and 12,634.76 is: 17,435.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,245.16 : 32,078.36 = 12,634.76 : x
  2. Step 2: Convert to fraction form
    23,245.16/32,078.36 = 12,634.76/x
  3. Step 3: Cross multiply
    23,245.16x = 32,078.36 × 12,634.76
  4. Step 4: Simplify right side
    23,245.16x = 405,302,379.79
  5. Step 5: Solve for x
    x = 405,302,379.79/23,245.16
  6. Step 6: Final answer
    x = 17,435.99

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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.