Home / 18,271.89-25,214.58-10,205.97

Finding the Fourth Proportional to 18,271.89, 25,214.58 and 10,205.97

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Solution

The fourth proportional to 18,271.89, 25,214.58 and 10,205.97 is: 14,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.89 : 25,214.58 = 10,205.97 : x
  2. Step 2: Convert to fraction form
    18,271.89/25,214.58 = 10,205.97/x
  3. Step 3: Cross multiply
    18,271.89x = 25,214.58 × 10,205.97
  4. Step 4: Simplify right side
    18,271.89x = 257,339,247.04
  5. Step 5: Solve for x
    x = 257,339,247.04/18,271.89
  6. Step 6: Final answer
    x = 14,083.89

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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.