Home / 23,116.88-31,899.48-13,047.77

Finding the Fourth Proportional to 23,116.88, 31,899.48 and 13,047.77

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Solution

The fourth proportional to 23,116.88, 31,899.48 and 13,047.77 is: 18,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,116.88 : 31,899.48 = 13,047.77 : x
  2. Step 2: Convert to fraction form
    23,116.88/31,899.48 = 13,047.77/x
  3. Step 3: Cross multiply
    23,116.88x = 31,899.48 × 13,047.77
  4. Step 4: Simplify right side
    23,116.88x = 416,217,078.16
  5. Step 5: Solve for x
    x = 416,217,078.16/23,116.88
  6. Step 6: Final answer
    x = 18,004.90

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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.