Home / 10,321.93-14,239.69-6,127.75

Finding the Fourth Proportional to 10,321.93, 14,239.69 and 6,127.75

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Solution

The fourth proportional to 10,321.93, 14,239.69 and 6,127.75 is: 8,453.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.93 : 14,239.69 = 6,127.75 : x
  2. Step 2: Convert to fraction form
    10,321.93/14,239.69 = 6,127.75/x
  3. Step 3: Cross multiply
    10,321.93x = 14,239.69 × 6,127.75
  4. Step 4: Simplify right side
    10,321.93x = 87,257,260.40
  5. Step 5: Solve for x
    x = 87,257,260.40/10,321.93
  6. Step 6: Final answer
    x = 8,453.58

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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.