Home / 10,497.14-15,745.68-7,200.23

Finding the Fourth Proportional to 10,497.14, 15,745.68 and 7,200.23

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Solution

The fourth proportional to 10,497.14, 15,745.68 and 7,200.23 is: 10,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497.14 : 15,745.68 = 7,200.23 : x
  2. Step 2: Convert to fraction form
    10,497.14/15,745.68 = 7,200.23/x
  3. Step 3: Cross multiply
    10,497.14x = 15,745.68 × 7,200.23
  4. Step 4: Simplify right side
    10,497.14x = 113,372,438.78
  5. Step 5: Solve for x
    x = 113,372,438.78/10,497.14
  6. Step 6: Final answer
    x = 10,800.32

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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.