Home / 12,083.60-16,674.36-7,370.48

Finding the Fourth Proportional to 12,083.60, 16,674.36 and 7,370.48

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Solution

The fourth proportional to 12,083.60, 16,674.36 and 7,370.48 is: 10,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.60 : 16,674.36 = 7,370.48 : x
  2. Step 2: Convert to fraction form
    12,083.60/16,674.36 = 7,370.48/x
  3. Step 3: Cross multiply
    12,083.60x = 16,674.36 × 7,370.48
  4. Step 4: Simplify right side
    12,083.60x = 122,898,036.89
  5. Step 5: Solve for x
    x = 122,898,036.89/12,083.60
  6. Step 6: Final answer
    x = 10,170.65

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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.