Home / 10,379.38-14,323.41-5,663.58

Finding the Fourth Proportional to 10,379.38, 14,323.41 and 5,663.58

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Solution

The fourth proportional to 10,379.38, 14,323.41 and 5,663.58 is: 7,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.38 : 14,323.41 = 5,663.58 : x
  2. Step 2: Convert to fraction form
    10,379.38/14,323.41 = 5,663.58/x
  3. Step 3: Cross multiply
    10,379.38x = 14,323.41 × 5,663.58
  4. Step 4: Simplify right side
    10,379.38x = 81,121,778.41
  5. Step 5: Solve for x
    x = 81,121,778.41/10,379.38
  6. Step 6: Final answer
    x = 7,815.67

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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.