Home / 11,321.17-15,622.98-6,285.09

Finding the Fourth Proportional to 11,321.17, 15,622.98 and 6,285.09

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Solution

The fourth proportional to 11,321.17, 15,622.98 and 6,285.09 is: 8,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.17 : 15,622.98 = 6,285.09 : x
  2. Step 2: Convert to fraction form
    11,321.17/15,622.98 = 6,285.09/x
  3. Step 3: Cross multiply
    11,321.17x = 15,622.98 × 6,285.09
  4. Step 4: Simplify right side
    11,321.17x = 98,191,870.39
  5. Step 5: Solve for x
    x = 98,191,870.39/11,321.17
  6. Step 6: Final answer
    x = 8,673.30

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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.