Home / 15,677.37-21,636.29-8,961.73

Finding the Fourth Proportional to 15,677.37, 21,636.29 and 8,961.73

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Solution

The fourth proportional to 15,677.37, 21,636.29 and 8,961.73 is: 12,368.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.37 : 21,636.29 = 8,961.73 : x
  2. Step 2: Convert to fraction form
    15,677.37/21,636.29 = 8,961.73/x
  3. Step 3: Cross multiply
    15,677.37x = 21,636.29 × 8,961.73
  4. Step 4: Simplify right side
    15,677.37x = 193,898,589.18
  5. Step 5: Solve for x
    x = 193,898,589.18/15,677.37
  6. Step 6: Final answer
    x = 12,368.06

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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.