Home / 13,768.84-20,652.90-5,003.92

Finding the Fourth Proportional to 13,768.84, 20,652.90 and 5,003.92

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Solution

The fourth proportional to 13,768.84, 20,652.90 and 5,003.92 is: 7,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.84 : 20,652.90 = 5,003.92 : x
  2. Step 2: Convert to fraction form
    13,768.84/20,652.90 = 5,003.92/x
  3. Step 3: Cross multiply
    13,768.84x = 20,652.90 × 5,003.92
  4. Step 4: Simplify right side
    13,768.84x = 103,345,459.37
  5. Step 5: Solve for x
    x = 103,345,459.37/13,768.84
  6. Step 6: Final answer
    x = 7,505.75

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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.