Home / 13,951.53-19,245.96-8,910.45

Finding the Fourth Proportional to 13,951.53, 19,245.96 and 8,910.45

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Solution

The fourth proportional to 13,951.53, 19,245.96 and 8,910.45 is: 12,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.53 : 19,245.96 = 8,910.45 : x
  2. Step 2: Convert to fraction form
    13,951.53/19,245.96 = 8,910.45/x
  3. Step 3: Cross multiply
    13,951.53x = 19,245.96 × 8,910.45
  4. Step 4: Simplify right side
    13,951.53x = 171,490,164.28
  5. Step 5: Solve for x
    x = 171,490,164.28/13,951.53
  6. Step 6: Final answer
    x = 12,291.85

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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.