Home / 19,411.43-26,787.80-11,029.55

Finding the Fourth Proportional to 19,411.43, 26,787.80 and 11,029.55

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Solution

The fourth proportional to 19,411.43, 26,787.80 and 11,029.55 is: 15,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.43 : 26,787.80 = 11,029.55 : x
  2. Step 2: Convert to fraction form
    19,411.43/26,787.80 = 11,029.55/x
  3. Step 3: Cross multiply
    19,411.43x = 26,787.80 × 11,029.55
  4. Step 4: Simplify right side
    19,411.43x = 295,457,324.34
  5. Step 5: Solve for x
    x = 295,457,324.34/19,411.43
  6. Step 6: Final answer
    x = 15,220.79

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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.