Home / 15,562.83-21,469.64-9,185.09

Finding the Fourth Proportional to 15,562.83, 21,469.64 and 9,185.09

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Solution

The fourth proportional to 15,562.83, 21,469.64 and 9,185.09 is: 12,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562.83 : 21,469.64 = 9,185.09 : x
  2. Step 2: Convert to fraction form
    15,562.83/21,469.64 = 9,185.09/x
  3. Step 3: Cross multiply
    15,562.83x = 21,469.64 × 9,185.09
  4. Step 4: Simplify right side
    15,562.83x = 197,200,575.67
  5. Step 5: Solve for x
    x = 197,200,575.67/15,562.83
  6. Step 6: Final answer
    x = 12,671.25

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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.