Home / 17,544.60-26,317.40-7,678.80

Finding the Fourth Proportional to 17,544.60, 26,317.40 and 7,678.80

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Solution

The fourth proportional to 17,544.60, 26,317.40 and 7,678.80 is: 11,518.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,544.60 : 26,317.40 = 7,678.80 : x
  2. Step 2: Convert to fraction form
    17,544.60/26,317.40 = 7,678.80/x
  3. Step 3: Cross multiply
    17,544.60x = 26,317.40 × 7,678.80
  4. Step 4: Simplify right side
    17,544.60x = 202,086,051.12
  5. Step 5: Solve for x
    x = 202,086,051.12/17,544.60
  6. Step 6: Final answer
    x = 11,518.42

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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.