Home / 13,655.56-20,452.58-6,994.09

Finding the Fourth Proportional to 13,655.56, 20,452.58 and 6,994.09

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Solution

The fourth proportional to 13,655.56, 20,452.58 and 6,994.09 is: 10,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655.56 : 20,452.58 = 6,994.09 : x
  2. Step 2: Convert to fraction form
    13,655.56/20,452.58 = 6,994.09/x
  3. Step 3: Cross multiply
    13,655.56x = 20,452.58 × 6,994.09
  4. Step 4: Simplify right side
    13,655.56x = 143,047,190.15
  5. Step 5: Solve for x
    x = 143,047,190.15/13,655.56
  6. Step 6: Final answer
    x = 10,475.38

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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.