Home / 16,702.72-23,021.76-13,334.74

Finding the Fourth Proportional to 16,702.72, 23,021.76 and 13,334.74

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Solution

The fourth proportional to 16,702.72, 23,021.76 and 13,334.74 is: 18,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,702.72 : 23,021.76 = 13,334.74 : x
  2. Step 2: Convert to fraction form
    16,702.72/23,021.76 = 13,334.74/x
  3. Step 3: Cross multiply
    16,702.72x = 23,021.76 × 13,334.74
  4. Step 4: Simplify right side
    16,702.72x = 306,989,183.94
  5. Step 5: Solve for x
    x = 306,989,183.94/16,702.72
  6. Step 6: Final answer
    x = 18,379.59

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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.