Home / 19,253.50-28,876.10-11,242.92

Finding the Fourth Proportional to 19,253.50, 28,876.10 and 11,242.92

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Solution

The fourth proportional to 19,253.50, 28,876.10 and 11,242.92 is: 16,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,253.50 : 28,876.10 = 11,242.92 : x
  2. Step 2: Convert to fraction form
    19,253.50/28,876.10 = 11,242.92/x
  3. Step 3: Cross multiply
    19,253.50x = 28,876.10 × 11,242.92
  4. Step 4: Simplify right side
    19,253.50x = 324,651,682.21
  5. Step 5: Solve for x
    x = 324,651,682.21/19,253.50
  6. Step 6: Final answer
    x = 16,861.96

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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.