Home / 18,035.12-27,015.42-10,616.72

Finding the Fourth Proportional to 18,035.12, 27,015.42 and 10,616.72

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Solution

The fourth proportional to 18,035.12, 27,015.42 and 10,616.72 is: 15,903.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.12 : 27,015.42 = 10,616.72 : x
  2. Step 2: Convert to fraction form
    18,035.12/27,015.42 = 10,616.72/x
  3. Step 3: Cross multiply
    18,035.12x = 27,015.42 × 10,616.72
  4. Step 4: Simplify right side
    18,035.12x = 286,815,149.82
  5. Step 5: Solve for x
    x = 286,815,149.82/18,035.12
  6. Step 6: Final answer
    x = 15,903.15

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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.