Home / 20,181.93-30,256.50-7,043.53

Finding the Fourth Proportional to 20,181.93, 30,256.50 and 7,043.53

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Solution

The fourth proportional to 20,181.93, 30,256.50 and 7,043.53 is: 10,559.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.93 : 30,256.50 = 7,043.53 : x
  2. Step 2: Convert to fraction form
    20,181.93/30,256.50 = 7,043.53/x
  3. Step 3: Cross multiply
    20,181.93x = 30,256.50 × 7,043.53
  4. Step 4: Simplify right side
    20,181.93x = 213,112,530.23
  5. Step 5: Solve for x
    x = 213,112,530.23/20,181.93
  6. Step 6: Final answer
    x = 10,559.57

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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.