Home / 12,926.89-17,836.09-9,383.95

Finding the Fourth Proportional to 12,926.89, 17,836.09 and 9,383.95

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Solution

The fourth proportional to 12,926.89, 17,836.09 and 9,383.95 is: 12,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.89 : 17,836.09 = 9,383.95 : x
  2. Step 2: Convert to fraction form
    12,926.89/17,836.09 = 9,383.95/x
  3. Step 3: Cross multiply
    12,926.89x = 17,836.09 × 9,383.95
  4. Step 4: Simplify right side
    12,926.89x = 167,372,976.76
  5. Step 5: Solve for x
    x = 167,372,976.76/12,926.89
  6. Step 6: Final answer
    x = 12,947.66

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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.