Home / 18,650.04-25,740.58-11,938.50

Finding the Fourth Proportional to 18,650.04, 25,740.58 and 11,938.50

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Solution

The fourth proportional to 18,650.04, 25,740.58 and 11,938.50 is: 16,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.04 : 25,740.58 = 11,938.50 : x
  2. Step 2: Convert to fraction form
    18,650.04/25,740.58 = 11,938.50/x
  3. Step 3: Cross multiply
    18,650.04x = 25,740.58 × 11,938.50
  4. Step 4: Simplify right side
    18,650.04x = 307,303,914.33
  5. Step 5: Solve for x
    x = 307,303,914.33/18,650.04
  6. Step 6: Final answer
    x = 16,477.39

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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.