Home / 12,795.31-19,169.57-9,276.59

Finding the Fourth Proportional to 12,795.31, 19,169.57 and 9,276.59

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Solution

The fourth proportional to 12,795.31, 19,169.57 and 9,276.59 is: 13,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.31 : 19,169.57 = 9,276.59 : x
  2. Step 2: Convert to fraction form
    12,795.31/19,169.57 = 9,276.59/x
  3. Step 3: Cross multiply
    12,795.31x = 19,169.57 × 9,276.59
  4. Step 4: Simplify right side
    12,795.31x = 177,828,241.37
  5. Step 5: Solve for x
    x = 177,828,241.37/12,795.31
  6. Step 6: Final answer
    x = 13,897.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.