Home / 13,821.42-20,739.56-6,029.76

Finding the Fourth Proportional to 13,821.42, 20,739.56 and 6,029.76

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Solution

The fourth proportional to 13,821.42, 20,739.56 and 6,029.76 is: 9,047.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.42 : 20,739.56 = 6,029.76 : x
  2. Step 2: Convert to fraction form
    13,821.42/20,739.56 = 6,029.76/x
  3. Step 3: Cross multiply
    13,821.42x = 20,739.56 × 6,029.76
  4. Step 4: Simplify right side
    13,821.42x = 125,054,539.16
  5. Step 5: Solve for x
    x = 125,054,539.16/13,821.42
  6. Step 6: Final answer
    x = 9,047.88

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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.