Home / 18,384.09-25,365.64-10,829.85

Finding the Fourth Proportional to 18,384.09, 25,365.64 and 10,829.85

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Solution

The fourth proportional to 18,384.09, 25,365.64 and 10,829.85 is: 14,942.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.09 : 25,365.64 = 10,829.85 : x
  2. Step 2: Convert to fraction form
    18,384.09/25,365.64 = 10,829.85/x
  3. Step 3: Cross multiply
    18,384.09x = 25,365.64 × 10,829.85
  4. Step 4: Simplify right side
    18,384.09x = 274,706,076.35
  5. Step 5: Solve for x
    x = 274,706,076.35/18,384.09
  6. Step 6: Final answer
    x = 14,942.60

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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.