Home / 11,653.06-17,479.41-2,887.91

Finding the Fourth Proportional to 11,653.06, 17,479.41 and 2,887.91

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Solution

The fourth proportional to 11,653.06, 17,479.41 and 2,887.91 is: 4,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.06 : 17,479.41 = 2,887.91 : x
  2. Step 2: Convert to fraction form
    11,653.06/17,479.41 = 2,887.91/x
  3. Step 3: Cross multiply
    11,653.06x = 17,479.41 × 2,887.91
  4. Step 4: Simplify right side
    11,653.06x = 50,478,962.93
  5. Step 5: Solve for x
    x = 50,478,962.93/11,653.06
  6. Step 6: Final answer
    x = 4,331.82

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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.