Home / 19,380.24-26,744.76-10,996.74

Finding the Fourth Proportional to 19,380.24, 26,744.76 and 10,996.74

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Solution

The fourth proportional to 19,380.24, 26,744.76 and 10,996.74 is: 15,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.24 : 26,744.76 = 10,996.74 : x
  2. Step 2: Convert to fraction form
    19,380.24/26,744.76 = 10,996.74/x
  3. Step 3: Cross multiply
    19,380.24x = 26,744.76 × 10,996.74
  4. Step 4: Simplify right side
    19,380.24x = 294,105,172.08
  5. Step 5: Solve for x
    x = 294,105,172.08/19,380.24
  6. Step 6: Final answer
    x = 15,175.52

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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.