Home / 21,447.58-32,174.46-6,657.68

Finding the Fourth Proportional to 21,447.58, 32,174.46 and 6,657.68

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Solution

The fourth proportional to 21,447.58, 32,174.46 and 6,657.68 is: 9,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,447.58 : 32,174.46 = 6,657.68 : x
  2. Step 2: Convert to fraction form
    21,447.58/32,174.46 = 6,657.68/x
  3. Step 3: Cross multiply
    21,447.58x = 32,174.46 × 6,657.68
  4. Step 4: Simplify right side
    21,447.58x = 214,207,258.85
  5. Step 5: Solve for x
    x = 214,207,258.85/21,447.58
  6. Step 6: Final answer
    x = 9,987.48

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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.