Home / 10,379.76-14,319.36-6,127.94

Finding the Fourth Proportional to 10,379.76, 14,319.36 and 6,127.94

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Solution

The fourth proportional to 10,379.76, 14,319.36 and 6,127.94 is: 8,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.76 : 14,319.36 = 6,127.94 : x
  2. Step 2: Convert to fraction form
    10,379.76/14,319.36 = 6,127.94/x
  3. Step 3: Cross multiply
    10,379.76x = 14,319.36 × 6,127.94
  4. Step 4: Simplify right side
    10,379.76x = 87,748,107.32
  5. Step 5: Solve for x
    x = 87,748,107.32/10,379.76
  6. Step 6: Final answer
    x = 8,453.77

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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.