Home / 12,560.12-18,843.75-10,242.05

Finding the Fourth Proportional to 12,560.12, 18,843.75 and 10,242.05

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Solution

The fourth proportional to 12,560.12, 18,843.75 and 10,242.05 is: 15,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,560.12 : 18,843.75 = 10,242.05 : x
  2. Step 2: Convert to fraction form
    12,560.12/18,843.75 = 10,242.05/x
  3. Step 3: Cross multiply
    12,560.12x = 18,843.75 × 10,242.05
  4. Step 4: Simplify right side
    12,560.12x = 192,998,629.69
  5. Step 5: Solve for x
    x = 192,998,629.69/12,560.12
  6. Step 6: Final answer
    x = 15,365.99

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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.