Home / 10,710.45-16,065.62-7,145.03

Finding the Fourth Proportional to 10,710.45, 16,065.62 and 7,145.03

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Solution

The fourth proportional to 10,710.45, 16,065.62 and 7,145.03 is: 10,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,710.45 : 16,065.62 = 7,145.03 : x
  2. Step 2: Convert to fraction form
    10,710.45/16,065.62 = 7,145.03/x
  3. Step 3: Cross multiply
    10,710.45x = 16,065.62 × 7,145.03
  4. Step 4: Simplify right side
    10,710.45x = 114,789,336.87
  5. Step 5: Solve for x
    x = 114,789,336.87/10,710.45
  6. Step 6: Final answer
    x = 10,717.51

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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.