Home / 12,923.43-19,368.63-11,250.69

Finding the Fourth Proportional to 12,923.43, 19,368.63 and 11,250.69

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Solution

The fourth proportional to 12,923.43, 19,368.63 and 11,250.69 is: 16,861.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.43 : 19,368.63 = 11,250.69 : x
  2. Step 2: Convert to fraction form
    12,923.43/19,368.63 = 11,250.69/x
  3. Step 3: Cross multiply
    12,923.43x = 19,368.63 × 11,250.69
  4. Step 4: Simplify right side
    12,923.43x = 217,910,451.85
  5. Step 5: Solve for x
    x = 217,910,451.85/12,923.43
  6. Step 6: Final answer
    x = 16,861.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.