Home / 10,519.44-15,710.96-9,530.28

Finding the Fourth Proportional to 10,519.44, 15,710.96 and 9,530.28

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Solution

The fourth proportional to 10,519.44, 15,710.96 and 9,530.28 is: 14,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.44 : 15,710.96 = 9,530.28 : x
  2. Step 2: Convert to fraction form
    10,519.44/15,710.96 = 9,530.28/x
  3. Step 3: Cross multiply
    10,519.44x = 15,710.96 × 9,530.28
  4. Step 4: Simplify right side
    10,519.44x = 149,729,847.87
  5. Step 5: Solve for x
    x = 149,729,847.87/10,519.44
  6. Step 6: Final answer
    x = 14,233.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.