Home / 13,091.45-18,062.13-7,425.77

Finding the Fourth Proportional to 13,091.45, 18,062.13 and 7,425.77

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Solution

The fourth proportional to 13,091.45, 18,062.13 and 7,425.77 is: 10,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.45 : 18,062.13 = 7,425.77 : x
  2. Step 2: Convert to fraction form
    13,091.45/18,062.13 = 7,425.77/x
  3. Step 3: Cross multiply
    13,091.45x = 18,062.13 × 7,425.77
  4. Step 4: Simplify right side
    13,091.45x = 134,125,223.09
  5. Step 5: Solve for x
    x = 134,125,223.09/13,091.45
  6. Step 6: Final answer
    x = 10,245.25

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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.