Home / 15,817.95-21,833.96-11,103.39

Finding the Fourth Proportional to 15,817.95, 21,833.96 and 11,103.39

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Solution

The fourth proportional to 15,817.95, 21,833.96 and 11,103.39 is: 15,326.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.95 : 21,833.96 = 11,103.39 : x
  2. Step 2: Convert to fraction form
    15,817.95/21,833.96 = 11,103.39/x
  3. Step 3: Cross multiply
    15,817.95x = 21,833.96 × 11,103.39
  4. Step 4: Simplify right side
    15,817.95x = 242,430,917.61
  5. Step 5: Solve for x
    x = 242,430,917.61/15,817.95
  6. Step 6: Final answer
    x = 15,326.32

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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.