Home / 13,800.67-20,704.45-5,477.93

Finding the Fourth Proportional to 13,800.67, 20,704.45 and 5,477.93

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Solution

The fourth proportional to 13,800.67, 20,704.45 and 5,477.93 is: 8,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.67 : 20,704.45 = 5,477.93 : x
  2. Step 2: Convert to fraction form
    13,800.67/20,704.45 = 5,477.93/x
  3. Step 3: Cross multiply
    13,800.67x = 20,704.45 × 5,477.93
  4. Step 4: Simplify right side
    13,800.67x = 113,417,500.40
  5. Step 5: Solve for x
    x = 113,417,500.40/13,800.67
  6. Step 6: Final answer
    x = 8,218.26

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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.