Home / 13,106.22-19,652.04-4,338.78

Finding the Fourth Proportional to 13,106.22, 19,652.04 and 4,338.78

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Solution

The fourth proportional to 13,106.22, 19,652.04 and 4,338.78 is: 6,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106.22 : 19,652.04 = 4,338.78 : x
  2. Step 2: Convert to fraction form
    13,106.22/19,652.04 = 4,338.78/x
  3. Step 3: Cross multiply
    13,106.22x = 19,652.04 × 4,338.78
  4. Step 4: Simplify right side
    13,106.22x = 85,265,878.11
  5. Step 5: Solve for x
    x = 85,265,878.11/13,106.22
  6. Step 6: Final answer
    x = 6,505.76

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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.