Home / 10,124.77-15,190.57-6,379.36

Finding the Fourth Proportional to 10,124.77, 15,190.57 and 6,379.36

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Solution

The fourth proportional to 10,124.77, 15,190.57 and 6,379.36 is: 9,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.77 : 15,190.57 = 6,379.36 : x
  2. Step 2: Convert to fraction form
    10,124.77/15,190.57 = 6,379.36/x
  3. Step 3: Cross multiply
    10,124.77x = 15,190.57 × 6,379.36
  4. Step 4: Simplify right side
    10,124.77x = 96,906,050.99
  5. Step 5: Solve for x
    x = 96,906,050.99/10,124.77
  6. Step 6: Final answer
    x = 9,571.19

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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.