Home / 20,182.34-30,261.98-6,138.22

Finding the Fourth Proportional to 20,182.34, 30,261.98 and 6,138.22

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Solution

The fourth proportional to 20,182.34, 30,261.98 and 6,138.22 is: 9,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.34 : 30,261.98 = 6,138.22 : x
  2. Step 2: Convert to fraction form
    20,182.34/30,261.98 = 6,138.22/x
  3. Step 3: Cross multiply
    20,182.34x = 30,261.98 × 6,138.22
  4. Step 4: Simplify right side
    20,182.34x = 185,754,690.88
  5. Step 5: Solve for x
    x = 185,754,690.88/20,182.34
  6. Step 6: Final answer
    x = 9,203.82

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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.