Home / 15,211.96-22,814.52-4,119.64

Finding the Fourth Proportional to 15,211.96, 22,814.52 and 4,119.64

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Solution

The fourth proportional to 15,211.96, 22,814.52 and 4,119.64 is: 6,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,211.96 : 22,814.52 = 4,119.64 : x
  2. Step 2: Convert to fraction form
    15,211.96/22,814.52 = 4,119.64/x
  3. Step 3: Cross multiply
    15,211.96x = 22,814.52 × 4,119.64
  4. Step 4: Simplify right side
    15,211.96x = 93,987,609.17
  5. Step 5: Solve for x
    x = 93,987,609.17/15,211.96
  6. Step 6: Final answer
    x = 6,178.53

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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.