Home / 20,114.34-30,171.76-6,074.52

Finding the Fourth Proportional to 20,114.34, 30,171.76 and 6,074.52

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Solution

The fourth proportional to 20,114.34, 30,171.76 and 6,074.52 is: 9,111.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.34 : 30,171.76 = 6,074.52 : x
  2. Step 2: Convert to fraction form
    20,114.34/30,171.76 = 6,074.52/x
  3. Step 3: Cross multiply
    20,114.34x = 30,171.76 × 6,074.52
  4. Step 4: Simplify right side
    20,114.34x = 183,278,959.56
  5. Step 5: Solve for x
    x = 183,278,959.56/20,114.34
  6. Step 6: Final answer
    x = 9,111.86

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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.