Home / 14,961.88-20,647.26-8,247.34

Finding the Fourth Proportional to 14,961.88, 20,647.26 and 8,247.34

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Solution

The fourth proportional to 14,961.88, 20,647.26 and 8,247.34 is: 11,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.88 : 20,647.26 = 8,247.34 : x
  2. Step 2: Convert to fraction form
    14,961.88/20,647.26 = 8,247.34/x
  3. Step 3: Cross multiply
    14,961.88x = 20,647.26 × 8,247.34
  4. Step 4: Simplify right side
    14,961.88x = 170,284,973.29
  5. Step 5: Solve for x
    x = 170,284,973.29/14,961.88
  6. Step 6: Final answer
    x = 11,381.26

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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.