Home / 18,590.06-25,704.74-18,289.60

Finding the Fourth Proportional to 18,590.06, 25,704.74 and 18,289.60

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Solution

The fourth proportional to 18,590.06, 25,704.74 and 18,289.60 is: 25,289.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.06 : 25,704.74 = 18,289.60 : x
  2. Step 2: Convert to fraction form
    18,590.06/25,704.74 = 18,289.60/x
  3. Step 3: Cross multiply
    18,590.06x = 25,704.74 × 18,289.60
  4. Step 4: Simplify right side
    18,590.06x = 470,129,412.70
  5. Step 5: Solve for x
    x = 470,129,412.70/18,590.06
  6. Step 6: Final answer
    x = 25,289.29

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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.