Home / 10,379.26-14,323.26-5,663.62

Finding the Fourth Proportional to 10,379.26, 14,323.26 and 5,663.62

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Solution

The fourth proportional to 10,379.26, 14,323.26 and 5,663.62 is: 7,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.26 : 14,323.26 = 5,663.62 : x
  2. Step 2: Convert to fraction form
    10,379.26/14,323.26 = 5,663.62/x
  3. Step 3: Cross multiply
    10,379.26x = 14,323.26 × 5,663.62
  4. Step 4: Simplify right side
    10,379.26x = 81,121,501.80
  5. Step 5: Solve for x
    x = 81,121,501.80/10,379.26
  6. Step 6: Final answer
    x = 7,815.73

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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.