Home / 10,839.48-16,255.14-4,262.07

Finding the Fourth Proportional to 10,839.48, 16,255.14 and 4,262.07

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Solution

The fourth proportional to 10,839.48, 16,255.14 and 4,262.07 is: 6,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.48 : 16,255.14 = 4,262.07 : x
  2. Step 2: Convert to fraction form
    10,839.48/16,255.14 = 4,262.07/x
  3. Step 3: Cross multiply
    10,839.48x = 16,255.14 × 4,262.07
  4. Step 4: Simplify right side
    10,839.48x = 69,280,544.54
  5. Step 5: Solve for x
    x = 69,280,544.54/10,839.48
  6. Step 6: Final answer
    x = 6,391.50

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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.