Home / 18,890.09-26,069.19-10,930.77

Finding the Fourth Proportional to 18,890.09, 26,069.19 and 10,930.77

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Solution

The fourth proportional to 18,890.09, 26,069.19 and 10,930.77 is: 15,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,890.09 : 26,069.19 = 10,930.77 : x
  2. Step 2: Convert to fraction form
    18,890.09/26,069.19 = 10,930.77/x
  3. Step 3: Cross multiply
    18,890.09x = 26,069.19 × 10,930.77
  4. Step 4: Simplify right side
    18,890.09x = 284,956,319.98
  5. Step 5: Solve for x
    x = 284,956,319.98/18,890.09
  6. Step 6: Final answer
    x = 15,084.97

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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.