Home / 12,084.39-16,669.60-7,606.51

Finding the Fourth Proportional to 12,084.39, 16,669.60 and 7,606.51

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Solution

The fourth proportional to 12,084.39, 16,669.60 and 7,606.51 is: 10,492.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.39 : 16,669.60 = 7,606.51 : x
  2. Step 2: Convert to fraction form
    12,084.39/16,669.60 = 7,606.51/x
  3. Step 3: Cross multiply
    12,084.39x = 16,669.60 × 7,606.51
  4. Step 4: Simplify right side
    12,084.39x = 126,797,418.41
  5. Step 5: Solve for x
    x = 126,797,418.41/12,084.39
  6. Step 6: Final answer
    x = 10,492.66

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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.