Home / 13,992.48-19,310.24-8,960.96

Finding the Fourth Proportional to 13,992.48, 19,310.24 and 8,960.96

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Solution

The fourth proportional to 13,992.48, 19,310.24 and 8,960.96 is: 12,366.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,992.48 : 19,310.24 = 8,960.96 : x
  2. Step 2: Convert to fraction form
    13,992.48/19,310.24 = 8,960.96/x
  3. Step 3: Cross multiply
    13,992.48x = 19,310.24 × 8,960.96
  4. Step 4: Simplify right side
    13,992.48x = 173,038,288.23
  5. Step 5: Solve for x
    x = 173,038,288.23/13,992.48
  6. Step 6: Final answer
    x = 12,366.52

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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.