Home / 19,108.73-26,371.71-11,153.52

Finding the Fourth Proportional to 19,108.73, 26,371.71 and 11,153.52

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Solution

The fourth proportional to 19,108.73, 26,371.71 and 11,153.52 is: 15,392.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,108.73 : 26,371.71 = 11,153.52 : x
  2. Step 2: Convert to fraction form
    19,108.73/26,371.71 = 11,153.52/x
  3. Step 3: Cross multiply
    19,108.73x = 26,371.71 × 11,153.52
  4. Step 4: Simplify right side
    19,108.73x = 294,137,394.92
  5. Step 5: Solve for x
    x = 294,137,394.92/19,108.73
  6. Step 6: Final answer
    x = 15,392.83

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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.