Home / 19,665.96-29,489.26-8,570.60

Finding the Fourth Proportional to 19,665.96, 29,489.26 and 8,570.60

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Solution

The fourth proportional to 19,665.96, 29,489.26 and 8,570.60 is: 12,851.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.96 : 29,489.26 = 8,570.60 : x
  2. Step 2: Convert to fraction form
    19,665.96/29,489.26 = 8,570.60/x
  3. Step 3: Cross multiply
    19,665.96x = 29,489.26 × 8,570.60
  4. Step 4: Simplify right side
    19,665.96x = 252,740,651.76
  5. Step 5: Solve for x
    x = 252,740,651.76/19,665.96
  6. Step 6: Final answer
    x = 12,851.68

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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.