Home / 17,738.10-26,585.55-7,866.90

Finding the Fourth Proportional to 17,738.10, 26,585.55 and 7,866.90

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Solution

The fourth proportional to 17,738.10, 26,585.55 and 7,866.90 is: 11,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,738.10 : 26,585.55 = 7,866.90 : x
  2. Step 2: Convert to fraction form
    17,738.10/26,585.55 = 7,866.90/x
  3. Step 3: Cross multiply
    17,738.10x = 26,585.55 × 7,866.90
  4. Step 4: Simplify right side
    17,738.10x = 209,145,863.30
  5. Step 5: Solve for x
    x = 209,145,863.30/17,738.10
  6. Step 6: Final answer
    x = 11,790.77

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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.