Home / 10,756.64-16,128.69-4,175.14

Finding the Fourth Proportional to 10,756.64, 16,128.69 and 4,175.14

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Solution

The fourth proportional to 10,756.64, 16,128.69 and 4,175.14 is: 6,260.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,756.64 : 16,128.69 = 4,175.14 : x
  2. Step 2: Convert to fraction form
    10,756.64/16,128.69 = 4,175.14/x
  3. Step 3: Cross multiply
    10,756.64x = 16,128.69 × 4,175.14
  4. Step 4: Simplify right side
    10,756.64x = 67,339,483.86
  5. Step 5: Solve for x
    x = 67,339,483.86/10,756.64
  6. Step 6: Final answer
    x = 6,260.27

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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.