Home / 10,316.44-15,474.86-3,390.94

Finding the Fourth Proportional to 10,316.44, 15,474.86 and 3,390.94

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Solution

The fourth proportional to 10,316.44, 15,474.86 and 3,390.94 is: 5,086.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.44 : 15,474.86 = 3,390.94 : x
  2. Step 2: Convert to fraction form
    10,316.44/15,474.86 = 3,390.94/x
  3. Step 3: Cross multiply
    10,316.44x = 15,474.86 × 3,390.94
  4. Step 4: Simplify right side
    10,316.44x = 52,474,291.56
  5. Step 5: Solve for x
    x = 52,474,291.56/10,316.44
  6. Step 6: Final answer
    x = 5,086.47

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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.