Home / 13,063.86-18,027.81-7,474.50

Finding the Fourth Proportional to 13,063.86, 18,027.81 and 7,474.50

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Solution

The fourth proportional to 13,063.86, 18,027.81 and 7,474.50 is: 10,314.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.86 : 18,027.81 = 7,474.50 : x
  2. Step 2: Convert to fraction form
    13,063.86/18,027.81 = 7,474.50/x
  3. Step 3: Cross multiply
    13,063.86x = 18,027.81 × 7,474.50
  4. Step 4: Simplify right side
    13,063.86x = 134,748,865.85
  5. Step 5: Solve for x
    x = 134,748,865.85/13,063.86
  6. Step 6: Final answer
    x = 10,314.63

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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.