Home / 12,725.16-19,062.60-11,768.16

Finding the Fourth Proportional to 12,725.16, 19,062.60 and 11,768.16

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Solution

The fourth proportional to 12,725.16, 19,062.60 and 11,768.16 is: 17,628.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.16 : 19,062.60 = 11,768.16 : x
  2. Step 2: Convert to fraction form
    12,725.16/19,062.60 = 11,768.16/x
  3. Step 3: Cross multiply
    12,725.16x = 19,062.60 × 11,768.16
  4. Step 4: Simplify right side
    12,725.16x = 224,331,726.82
  5. Step 5: Solve for x
    x = 224,331,726.82/12,725.16
  6. Step 6: Final answer
    x = 17,628.99

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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.