Home / 11,578.39-17,363.95-4,181.88

Finding the Fourth Proportional to 11,578.39, 17,363.95 and 4,181.88

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Solution

The fourth proportional to 11,578.39, 17,363.95 and 4,181.88 is: 6,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.39 : 17,363.95 = 4,181.88 : x
  2. Step 2: Convert to fraction form
    11,578.39/17,363.95 = 4,181.88/x
  3. Step 3: Cross multiply
    11,578.39x = 17,363.95 × 4,181.88
  4. Step 4: Simplify right side
    11,578.39x = 72,613,955.23
  5. Step 5: Solve for x
    x = 72,613,955.23/11,578.39
  6. Step 6: Final answer
    x = 6,271.51

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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.