Home / 11,379.26-15,703.16-6,343.32

Finding the Fourth Proportional to 11,379.26, 15,703.16 and 6,343.32

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Solution

The fourth proportional to 11,379.26, 15,703.16 and 6,343.32 is: 8,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379.26 : 15,703.16 = 6,343.32 : x
  2. Step 2: Convert to fraction form
    11,379.26/15,703.16 = 6,343.32/x
  3. Step 3: Cross multiply
    11,379.26x = 15,703.16 × 6,343.32
  4. Step 4: Simplify right side
    11,379.26x = 99,610,168.89
  5. Step 5: Solve for x
    x = 99,610,168.89/11,379.26
  6. Step 6: Final answer
    x = 8,753.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.