Home / 12,673.19-17,488.67-6,930.42

Finding the Fourth Proportional to 12,673.19, 17,488.67 and 6,930.42

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Solution

The fourth proportional to 12,673.19, 17,488.67 and 6,930.42 is: 9,563.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.19 : 17,488.67 = 6,930.42 : x
  2. Step 2: Convert to fraction form
    12,673.19/17,488.67 = 6,930.42/x
  3. Step 3: Cross multiply
    12,673.19x = 17,488.67 × 6,930.42
  4. Step 4: Simplify right side
    12,673.19x = 121,203,793.69
  5. Step 5: Solve for x
    x = 121,203,793.69/12,673.19
  6. Step 6: Final answer
    x = 9,563.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.