Home / 17,289.47-25,935.57-8,519.60

Finding the Fourth Proportional to 17,289.47, 25,935.57 and 8,519.60

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Solution

The fourth proportional to 17,289.47, 25,935.57 and 8,519.60 is: 12,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.47 : 25,935.57 = 8,519.60 : x
  2. Step 2: Convert to fraction form
    17,289.47/25,935.57 = 8,519.60/x
  3. Step 3: Cross multiply
    17,289.47x = 25,935.57 × 8,519.60
  4. Step 4: Simplify right side
    17,289.47x = 220,960,682.17
  5. Step 5: Solve for x
    x = 220,960,682.17/17,289.47
  6. Step 6: Final answer
    x = 12,780.07

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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.