Home / 23,431.18-35,109.87-12,885.54

Finding the Fourth Proportional to 23,431.18, 35,109.87 and 12,885.54

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Solution

The fourth proportional to 23,431.18, 35,109.87 and 12,885.54 is: 19,308.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.18 : 35,109.87 = 12,885.54 : x
  2. Step 2: Convert to fraction form
    23,431.18/35,109.87 = 12,885.54/x
  3. Step 3: Cross multiply
    23,431.18x = 35,109.87 × 12,885.54
  4. Step 4: Simplify right side
    23,431.18x = 452,409,634.28
  5. Step 5: Solve for x
    x = 452,409,634.28/23,431.18
  6. Step 6: Final answer
    x = 19,308.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.