Home / 19,381.68-26,744.04-10,996.56

Finding the Fourth Proportional to 19,381.68, 26,744.04 and 10,996.56

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Solution

The fourth proportional to 19,381.68, 26,744.04 and 10,996.56 is: 15,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.68 : 26,744.04 = 10,996.56 : x
  2. Step 2: Convert to fraction form
    19,381.68/26,744.04 = 10,996.56/x
  3. Step 3: Cross multiply
    19,381.68x = 26,744.04 × 10,996.56
  4. Step 4: Simplify right side
    19,381.68x = 294,092,440.50
  5. Step 5: Solve for x
    x = 294,092,440.50/19,381.68
  6. Step 6: Final answer
    x = 15,173.73

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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.