Home / 20,181.04-30,272.70-6,141.52

Finding the Fourth Proportional to 20,181.04, 30,272.70 and 6,141.52

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Solution

The fourth proportional to 20,181.04, 30,272.70 and 6,141.52 is: 9,212.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.04 : 30,272.70 = 6,141.52 : x
  2. Step 2: Convert to fraction form
    20,181.04/30,272.70 = 6,141.52/x
  3. Step 3: Cross multiply
    20,181.04x = 30,272.70 × 6,141.52
  4. Step 4: Simplify right side
    20,181.04x = 185,920,437.48
  5. Step 5: Solve for x
    x = 185,920,437.48/20,181.04
  6. Step 6: Final answer
    x = 9,212.63

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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.