Home / 19,433.31-26,816.83-11,472.63

Finding the Fourth Proportional to 19,433.31, 26,816.83 and 11,472.63

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Solution

The fourth proportional to 19,433.31, 26,816.83 and 11,472.63 is: 15,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,433.31 : 26,816.83 = 11,472.63 : x
  2. Step 2: Convert to fraction form
    19,433.31/26,816.83 = 11,472.63/x
  3. Step 3: Cross multiply
    19,433.31x = 26,816.83 × 11,472.63
  4. Step 4: Simplify right side
    19,433.31x = 307,659,568.36
  5. Step 5: Solve for x
    x = 307,659,568.36/19,433.31
  6. Step 6: Final answer
    x = 15,831.56

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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.