Home / 12,673.27-17,488.40-7,007.68

Finding the Fourth Proportional to 12,673.27, 17,488.40 and 7,007.68

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Solution

The fourth proportional to 12,673.27, 17,488.40 and 7,007.68 is: 9,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.27 : 17,488.40 = 7,007.68 : x
  2. Step 2: Convert to fraction form
    12,673.27/17,488.40 = 7,007.68/x
  3. Step 3: Cross multiply
    12,673.27x = 17,488.40 × 7,007.68
  4. Step 4: Simplify right side
    12,673.27x = 122,553,110.91
  5. Step 5: Solve for x
    x = 122,553,110.91/12,673.27
  6. Step 6: Final answer
    x = 9,670.20

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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.