Home / 10,996.06-15,176.59-6,280.34

Finding the Fourth Proportional to 10,996.06, 15,176.59 and 6,280.34

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Solution

The fourth proportional to 10,996.06, 15,176.59 and 6,280.34 is: 8,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.06 : 15,176.59 = 6,280.34 : x
  2. Step 2: Convert to fraction form
    10,996.06/15,176.59 = 6,280.34/x
  3. Step 3: Cross multiply
    10,996.06x = 15,176.59 × 6,280.34
  4. Step 4: Simplify right side
    10,996.06x = 95,314,160.94
  5. Step 5: Solve for x
    x = 95,314,160.94/10,996.06
  6. Step 6: Final answer
    x = 8,668.03

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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.