Home / 13,469.69-20,186.70-10,337.73

Finding the Fourth Proportional to 13,469.69, 20,186.70 and 10,337.73

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Solution

The fourth proportional to 13,469.69, 20,186.70 and 10,337.73 is: 15,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,469.69 : 20,186.70 = 10,337.73 : x
  2. Step 2: Convert to fraction form
    13,469.69/20,186.70 = 10,337.73/x
  3. Step 3: Cross multiply
    13,469.69x = 20,186.70 × 10,337.73
  4. Step 4: Simplify right side
    13,469.69x = 208,684,654.19
  5. Step 5: Solve for x
    x = 208,684,654.19/13,469.69
  6. Step 6: Final answer
    x = 15,492.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.