Home / 16,504.88-22,776.77-9,431.28

Finding the Fourth Proportional to 16,504.88, 22,776.77 and 9,431.28

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Solution

The fourth proportional to 16,504.88, 22,776.77 and 9,431.28 is: 13,015.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,504.88 : 22,776.77 = 9,431.28 : x
  2. Step 2: Convert to fraction form
    16,504.88/22,776.77 = 9,431.28/x
  3. Step 3: Cross multiply
    16,504.88x = 22,776.77 × 9,431.28
  4. Step 4: Simplify right side
    16,504.88x = 214,814,048.21
  5. Step 5: Solve for x
    x = 214,814,048.21/16,504.88
  6. Step 6: Final answer
    x = 13,015.19

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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.