Home / 12,468.27-18,690.85-6,543.93

Finding the Fourth Proportional to 12,468.27, 18,690.85 and 6,543.93

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Solution

The fourth proportional to 12,468.27, 18,690.85 and 6,543.93 is: 9,809.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.27 : 18,690.85 = 6,543.93 : x
  2. Step 2: Convert to fraction form
    12,468.27/18,690.85 = 6,543.93/x
  3. Step 3: Cross multiply
    12,468.27x = 18,690.85 × 6,543.93
  4. Step 4: Simplify right side
    12,468.27x = 122,311,614.04
  5. Step 5: Solve for x
    x = 122,311,614.04/12,468.27
  6. Step 6: Final answer
    x = 9,809.83

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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.