Home / 12,385.09-17,083.33-7,345.54

Finding the Fourth Proportional to 12,385.09, 17,083.33 and 7,345.54

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Solution

The fourth proportional to 12,385.09, 17,083.33 and 7,345.54 is: 10,132.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.09 : 17,083.33 = 7,345.54 : x
  2. Step 2: Convert to fraction form
    12,385.09/17,083.33 = 7,345.54/x
  3. Step 3: Cross multiply
    12,385.09x = 17,083.33 × 7,345.54
  4. Step 4: Simplify right side
    12,385.09x = 125,486,283.85
  5. Step 5: Solve for x
    x = 125,486,283.85/12,385.09
  6. Step 6: Final answer
    x = 10,132.04

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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.