Home / 11,321.08-15,623.22-6,285.40

Finding the Fourth Proportional to 11,321.08, 15,623.22 and 6,285.40

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Solution

The fourth proportional to 11,321.08, 15,623.22 and 6,285.40 is: 8,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.08 : 15,623.22 = 6,285.40 : x
  2. Step 2: Convert to fraction form
    11,321.08/15,623.22 = 6,285.40/x
  3. Step 3: Cross multiply
    11,321.08x = 15,623.22 × 6,285.40
  4. Step 4: Simplify right side
    11,321.08x = 98,198,186.99
  5. Step 5: Solve for x
    x = 98,198,186.99/11,321.08
  6. Step 6: Final answer
    x = 8,673.92

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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.