Home / 19,670.96-29,509.35-6,520.43

Finding the Fourth Proportional to 19,670.96, 29,509.35 and 6,520.43

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Solution

The fourth proportional to 19,670.96, 29,509.35 and 6,520.43 is: 9,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.96 : 29,509.35 = 6,520.43 : x
  2. Step 2: Convert to fraction form
    19,670.96/29,509.35 = 6,520.43/x
  3. Step 3: Cross multiply
    19,670.96x = 29,509.35 × 6,520.43
  4. Step 4: Simplify right side
    19,670.96x = 192,413,651.02
  5. Step 5: Solve for x
    x = 192,413,651.02/19,670.96
  6. Step 6: Final answer
    x = 9,781.61

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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.