Home / 13,808.40-20,701.26-5,484.84

Finding the Fourth Proportional to 13,808.40, 20,701.26 and 5,484.84

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Solution

The fourth proportional to 13,808.40, 20,701.26 and 5,484.84 is: 8,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,808.40 : 20,701.26 = 5,484.84 : x
  2. Step 2: Convert to fraction form
    13,808.40/20,701.26 = 5,484.84/x
  3. Step 3: Cross multiply
    13,808.40x = 20,701.26 × 5,484.84
  4. Step 4: Simplify right side
    13,808.40x = 113,543,098.90
  5. Step 5: Solve for x
    x = 113,543,098.90/13,808.40
  6. Step 6: Final answer
    x = 8,222.76

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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.