Home / 19,390.77-26,759.03-11,006.73

Finding the Fourth Proportional to 19,390.77, 26,759.03 and 11,006.73

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Solution

The fourth proportional to 19,390.77, 26,759.03 and 11,006.73 is: 15,189.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.77 : 26,759.03 = 11,006.73 : x
  2. Step 2: Convert to fraction form
    19,390.77/26,759.03 = 11,006.73/x
  3. Step 3: Cross multiply
    19,390.77x = 26,759.03 × 11,006.73
  4. Step 4: Simplify right side
    19,390.77x = 294,529,363.24
  5. Step 5: Solve for x
    x = 294,529,363.24/19,390.77
  6. Step 6: Final answer
    x = 15,189.15

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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.