Home / 21,193.50-29,247.03-11,763.93

Finding the Fourth Proportional to 21,193.50, 29,247.03 and 11,763.93

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Solution

The fourth proportional to 21,193.50, 29,247.03 and 11,763.93 is: 16,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.50 : 29,247.03 = 11,763.93 : x
  2. Step 2: Convert to fraction form
    21,193.50/29,247.03 = 11,763.93/x
  3. Step 3: Cross multiply
    21,193.50x = 29,247.03 × 11,763.93
  4. Step 4: Simplify right side
    21,193.50x = 344,060,013.63
  5. Step 5: Solve for x
    x = 344,060,013.63/21,193.50
  6. Step 6: Final answer
    x = 16,234.22

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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.