Home / 13,952.52-20,878.67-10,245.56

Finding the Fourth Proportional to 13,952.52, 20,878.67 and 10,245.56

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Solution

The fourth proportional to 13,952.52, 20,878.67 and 10,245.56 is: 15,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.52 : 20,878.67 = 10,245.56 : x
  2. Step 2: Convert to fraction form
    13,952.52/20,878.67 = 10,245.56/x
  3. Step 3: Cross multiply
    13,952.52x = 20,878.67 × 10,245.56
  4. Step 4: Simplify right side
    13,952.52x = 213,913,588.88
  5. Step 5: Solve for x
    x = 213,913,588.88/13,952.52
  6. Step 6: Final answer
    x = 15,331.53

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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.