Home / 10,971.42-16,458.75-3,179.22

Finding the Fourth Proportional to 10,971.42, 16,458.75 and 3,179.22

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Solution

The fourth proportional to 10,971.42, 16,458.75 and 3,179.22 is: 4,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,971.42 : 16,458.75 = 3,179.22 : x
  2. Step 2: Convert to fraction form
    10,971.42/16,458.75 = 3,179.22/x
  3. Step 3: Cross multiply
    10,971.42x = 16,458.75 × 3,179.22
  4. Step 4: Simplify right side
    10,971.42x = 52,325,987.18
  5. Step 5: Solve for x
    x = 52,325,987.18/10,971.42
  6. Step 6: Final answer
    x = 4,769.30

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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.