Home / 12,773.08-19,129.62-9,827.80

Finding the Fourth Proportional to 12,773.08, 19,129.62 and 9,827.80

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Solution

The fourth proportional to 12,773.08, 19,129.62 and 9,827.80 is: 14,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773.08 : 19,129.62 = 9,827.80 : x
  2. Step 2: Convert to fraction form
    12,773.08/19,129.62 = 9,827.80/x
  3. Step 3: Cross multiply
    12,773.08x = 19,129.62 × 9,827.80
  4. Step 4: Simplify right side
    12,773.08x = 188,002,079.44
  5. Step 5: Solve for x
    x = 188,002,079.44/12,773.08
  6. Step 6: Final answer
    x = 14,718.62

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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.