Home / 11,404.64-17,108.88-4,007.20

Finding the Fourth Proportional to 11,404.64, 17,108.88 and 4,007.20

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Solution

The fourth proportional to 11,404.64, 17,108.88 and 4,007.20 is: 6,011.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,404.64 : 17,108.88 = 4,007.20 : x
  2. Step 2: Convert to fraction form
    11,404.64/17,108.88 = 4,007.20/x
  3. Step 3: Cross multiply
    11,404.64x = 17,108.88 × 4,007.20
  4. Step 4: Simplify right side
    11,404.64x = 68,558,703.94
  5. Step 5: Solve for x
    x = 68,558,703.94/11,404.64
  6. Step 6: Final answer
    x = 6,011.47

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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.