Home / 18,977.73-26,190.77-11,022.45

Finding the Fourth Proportional to 18,977.73, 26,190.77 and 11,022.45

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Solution

The fourth proportional to 18,977.73, 26,190.77 and 11,022.45 is: 15,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.73 : 26,190.77 = 11,022.45 : x
  2. Step 2: Convert to fraction form
    18,977.73/26,190.77 = 11,022.45/x
  3. Step 3: Cross multiply
    18,977.73x = 26,190.77 × 11,022.45
  4. Step 4: Simplify right side
    18,977.73x = 288,686,397.67
  5. Step 5: Solve for x
    x = 288,686,397.67/18,977.73
  6. Step 6: Final answer
    x = 15,211.85

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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.