Home / 17,629.70-26,444.55-7,763.90

Finding the Fourth Proportional to 17,629.70, 26,444.55 and 7,763.90

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Solution

The fourth proportional to 17,629.70, 26,444.55 and 7,763.90 is: 11,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.70 : 26,444.55 = 7,763.90 : x
  2. Step 2: Convert to fraction form
    17,629.70/26,444.55 = 7,763.90/x
  3. Step 3: Cross multiply
    17,629.70x = 26,444.55 × 7,763.90
  4. Step 4: Simplify right side
    17,629.70x = 205,312,841.75
  5. Step 5: Solve for x
    x = 205,312,841.75/17,629.70
  6. Step 6: Final answer
    x = 11,645.85

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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.