Home / 18,666.50-25,760.31-10,283.54

Finding the Fourth Proportional to 18,666.50, 25,760.31 and 10,283.54

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Solution

The fourth proportional to 18,666.50, 25,760.31 and 10,283.54 is: 14,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.50 : 25,760.31 = 10,283.54 : x
  2. Step 2: Convert to fraction form
    18,666.50/25,760.31 = 10,283.54/x
  3. Step 3: Cross multiply
    18,666.50x = 25,760.31 × 10,283.54
  4. Step 4: Simplify right side
    18,666.50x = 264,907,178.30
  5. Step 5: Solve for x
    x = 264,907,178.30/18,666.50
  6. Step 6: Final answer
    x = 14,191.58

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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.