Home / 16,774.70-23,157.74-13,191.89

Finding the Fourth Proportional to 16,774.70, 23,157.74 and 13,191.89

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Solution

The fourth proportional to 16,774.70, 23,157.74 and 13,191.89 is: 18,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,774.70 : 23,157.74 = 13,191.89 : x
  2. Step 2: Convert to fraction form
    16,774.70/23,157.74 = 13,191.89/x
  3. Step 3: Cross multiply
    16,774.70x = 23,157.74 × 13,191.89
  4. Step 4: Simplify right side
    16,774.70x = 305,494,275.92
  5. Step 5: Solve for x
    x = 305,494,275.92/16,774.70
  6. Step 6: Final answer
    x = 18,211.61

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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.