Home / 12,527.76-17,289.48-6,940.56

Finding the Fourth Proportional to 12,527.76, 17,289.48 and 6,940.56

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Solution

The fourth proportional to 12,527.76, 17,289.48 and 6,940.56 is: 9,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.76 : 17,289.48 = 6,940.56 : x
  2. Step 2: Convert to fraction form
    12,527.76/17,289.48 = 6,940.56/x
  3. Step 3: Cross multiply
    12,527.76x = 17,289.48 × 6,940.56
  4. Step 4: Simplify right side
    12,527.76x = 119,998,673.31
  5. Step 5: Solve for x
    x = 119,998,673.31/12,527.76
  6. Step 6: Final answer
    x = 9,578.62

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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.