Home / 13,310-18,363.12-8,835.92

Finding the Fourth Proportional to 13,310, 18,363.12 and 8,835.92

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Solution

The fourth proportional to 13,310, 18,363.12 and 8,835.92 is: 12,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310 : 18,363.12 = 8,835.92 : x
  2. Step 2: Convert to fraction form
    13,310/18,363.12 = 8,835.92/x
  3. Step 3: Cross multiply
    13,310x = 18,363.12 × 8,835.92
  4. Step 4: Simplify right side
    13,310x = 162,255,059.27
  5. Step 5: Solve for x
    x = 162,255,059.27/13,310
  6. Step 6: Final answer
    x = 12,190.46

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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.