Home / 17,379.64-26,070.68-6,991.44

Finding the Fourth Proportional to 17,379.64, 26,070.68 and 6,991.44

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Solution

The fourth proportional to 17,379.64, 26,070.68 and 6,991.44 is: 10,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.64 : 26,070.68 = 6,991.44 : x
  2. Step 2: Convert to fraction form
    17,379.64/26,070.68 = 6,991.44/x
  3. Step 3: Cross multiply
    17,379.64x = 26,070.68 × 6,991.44
  4. Step 4: Simplify right side
    17,379.64x = 182,271,594.98
  5. Step 5: Solve for x
    x = 182,271,594.98/17,379.64
  6. Step 6: Final answer
    x = 10,487.65

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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.