Home / 12,759.68-19,091.43-11,464.76

Finding the Fourth Proportional to 12,759.68, 19,091.43 and 11,464.76

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Solution

The fourth proportional to 12,759.68, 19,091.43 and 11,464.76 is: 17,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759.68 : 19,091.43 = 11,464.76 : x
  2. Step 2: Convert to fraction form
    12,759.68/19,091.43 = 11,464.76/x
  3. Step 3: Cross multiply
    12,759.68x = 19,091.43 × 11,464.76
  4. Step 4: Simplify right side
    12,759.68x = 218,878,663.01
  5. Step 5: Solve for x
    x = 218,878,663.01/12,759.68
  6. Step 6: Final answer
    x = 17,153.93

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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.