Home / 20,153.53-30,230.37-6,113.68

Finding the Fourth Proportional to 20,153.53, 30,230.37 and 6,113.68

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Solution

The fourth proportional to 20,153.53, 30,230.37 and 6,113.68 is: 9,170.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,153.53 : 30,230.37 = 6,113.68 : x
  2. Step 2: Convert to fraction form
    20,153.53/30,230.37 = 6,113.68/x
  3. Step 3: Cross multiply
    20,153.53x = 30,230.37 × 6,113.68
  4. Step 4: Simplify right side
    20,153.53x = 184,818,800.82
  5. Step 5: Solve for x
    x = 184,818,800.82/20,153.53
  6. Step 6: Final answer
    x = 9,170.54

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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.