Home / 20,142.17-30,213.57-6,102.34

Finding the Fourth Proportional to 20,142.17, 30,213.57 and 6,102.34

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Solution

The fourth proportional to 20,142.17, 30,213.57 and 6,102.34 is: 9,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142.17 : 30,213.57 = 6,102.34 : x
  2. Step 2: Convert to fraction form
    20,142.17/30,213.57 = 6,102.34/x
  3. Step 3: Cross multiply
    20,142.17x = 30,213.57 × 6,102.34
  4. Step 4: Simplify right side
    20,142.17x = 184,373,424.10
  5. Step 5: Solve for x
    x = 184,373,424.10/20,142.17
  6. Step 6: Final answer
    x = 9,153.60

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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.