Home / 13,110.30-18,093.06-7,444.98

Finding the Fourth Proportional to 13,110.30, 18,093.06 and 7,444.98

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Solution

The fourth proportional to 13,110.30, 18,093.06 and 7,444.98 is: 10,274.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.30 : 18,093.06 = 7,444.98 : x
  2. Step 2: Convert to fraction form
    13,110.30/18,093.06 = 7,444.98/x
  3. Step 3: Cross multiply
    13,110.30x = 18,093.06 × 7,444.98
  4. Step 4: Simplify right side
    13,110.30x = 134,702,469.84
  5. Step 5: Solve for x
    x = 134,702,469.84/13,110.30
  6. Step 6: Final answer
    x = 10,274.55

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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.