Home / 12,769.38-19,154.16-4,455.34

Finding the Fourth Proportional to 12,769.38, 19,154.16 and 4,455.34

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Solution

The fourth proportional to 12,769.38, 19,154.16 and 4,455.34 is: 6,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769.38 : 19,154.16 = 4,455.34 : x
  2. Step 2: Convert to fraction form
    12,769.38/19,154.16 = 4,455.34/x
  3. Step 3: Cross multiply
    12,769.38x = 19,154.16 × 4,455.34
  4. Step 4: Simplify right side
    12,769.38x = 85,338,295.21
  5. Step 5: Solve for x
    x = 85,338,295.21/12,769.38
  6. Step 6: Final answer
    x = 6,683.04

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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.