Home / 15,773.94-21,769.46-11,000.81

Finding the Fourth Proportional to 15,773.94, 21,769.46 and 11,000.81

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Solution

The fourth proportional to 15,773.94, 21,769.46 and 11,000.81 is: 15,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,773.94 : 21,769.46 = 11,000.81 : x
  2. Step 2: Convert to fraction form
    15,773.94/21,769.46 = 11,000.81/x
  3. Step 3: Cross multiply
    15,773.94x = 21,769.46 × 11,000.81
  4. Step 4: Simplify right side
    15,773.94x = 239,481,733.94
  5. Step 5: Solve for x
    x = 239,481,733.94/15,773.94
  6. Step 6: Final answer
    x = 15,182.11

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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.