Home / 17,215.83-25,830.63-7,860.26

Finding the Fourth Proportional to 17,215.83, 25,830.63 and 7,860.26

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Solution

The fourth proportional to 17,215.83, 25,830.63 and 7,860.26 is: 11,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.83 : 25,830.63 = 7,860.26 : x
  2. Step 2: Convert to fraction form
    17,215.83/25,830.63 = 7,860.26/x
  3. Step 3: Cross multiply
    17,215.83x = 25,830.63 × 7,860.26
  4. Step 4: Simplify right side
    17,215.83x = 203,035,532.34
  5. Step 5: Solve for x
    x = 203,035,532.34/17,215.83
  6. Step 6: Final answer
    x = 11,793.54

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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.