Home / 12,982.08-19,464.60-4,657.92

Finding the Fourth Proportional to 12,982.08, 19,464.60 and 4,657.92

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Solution

The fourth proportional to 12,982.08, 19,464.60 and 4,657.92 is: 6,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.08 : 19,464.60 = 4,657.92 : x
  2. Step 2: Convert to fraction form
    12,982.08/19,464.60 = 4,657.92/x
  3. Step 3: Cross multiply
    12,982.08x = 19,464.60 × 4,657.92
  4. Step 4: Simplify right side
    12,982.08x = 90,664,549.63
  5. Step 5: Solve for x
    x = 90,664,549.63/12,982.08
  6. Step 6: Final answer
    x = 6,983.82

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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.