Home / 13,237.73-18,261.65-8,765.22

Finding the Fourth Proportional to 13,237.73, 18,261.65 and 8,765.22

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Solution

The fourth proportional to 13,237.73, 18,261.65 and 8,765.22 is: 12,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.73 : 18,261.65 = 8,765.22 : x
  2. Step 2: Convert to fraction form
    13,237.73/18,261.65 = 8,765.22/x
  3. Step 3: Cross multiply
    13,237.73x = 18,261.65 × 8,765.22
  4. Step 4: Simplify right side
    13,237.73x = 160,067,335.99
  5. Step 5: Solve for x
    x = 160,067,335.99/13,237.73
  6. Step 6: Final answer
    x = 12,091.76

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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.