Home / 12,609.33-17,395.71-7,228.77

Finding the Fourth Proportional to 12,609.33, 17,395.71 and 7,228.77

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Solution

The fourth proportional to 12,609.33, 17,395.71 and 7,228.77 is: 9,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,609.33 : 17,395.71 = 7,228.77 : x
  2. Step 2: Convert to fraction form
    12,609.33/17,395.71 = 7,228.77/x
  3. Step 3: Cross multiply
    12,609.33x = 17,395.71 × 7,228.77
  4. Step 4: Simplify right side
    12,609.33x = 125,749,586.58
  5. Step 5: Solve for x
    x = 125,749,586.58/12,609.33
  6. Step 6: Final answer
    x = 9,972.74

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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.