Home / 11,321.06-15,623.03-6,285.16

Finding the Fourth Proportional to 11,321.06, 15,623.03 and 6,285.16

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Solution

The fourth proportional to 11,321.06, 15,623.03 and 6,285.16 is: 8,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.06 : 15,623.03 = 6,285.16 : x
  2. Step 2: Convert to fraction form
    11,321.06/15,623.03 = 6,285.16/x
  3. Step 3: Cross multiply
    11,321.06x = 15,623.03 × 6,285.16
  4. Step 4: Simplify right side
    11,321.06x = 98,193,133.69
  5. Step 5: Solve for x
    x = 98,193,133.69/11,321.06
  6. Step 6: Final answer
    x = 8,673.49

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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.