Home / 18,043.12-24,900.56-10,086.08

Finding the Fourth Proportional to 18,043.12, 24,900.56 and 10,086.08

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Solution

The fourth proportional to 18,043.12, 24,900.56 and 10,086.08 is: 13,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.12 : 24,900.56 = 10,086.08 : x
  2. Step 2: Convert to fraction form
    18,043.12/24,900.56 = 10,086.08/x
  3. Step 3: Cross multiply
    18,043.12x = 24,900.56 × 10,086.08
  4. Step 4: Simplify right side
    18,043.12x = 251,149,040.20
  5. Step 5: Solve for x
    x = 251,149,040.20/18,043.12
  6. Step 6: Final answer
    x = 13,919.38

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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.