Home / 10,680.44-16,010.36-7,171.40

Finding the Fourth Proportional to 10,680.44, 16,010.36 and 7,171.40

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Solution

The fourth proportional to 10,680.44, 16,010.36 and 7,171.40 is: 10,750.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.44 : 16,010.36 = 7,171.40 : x
  2. Step 2: Convert to fraction form
    10,680.44/16,010.36 = 7,171.40/x
  3. Step 3: Cross multiply
    10,680.44x = 16,010.36 × 7,171.40
  4. Step 4: Simplify right side
    10,680.44x = 114,816,579.80
  5. Step 5: Solve for x
    x = 114,816,579.80/10,680.44
  6. Step 6: Final answer
    x = 10,750.18

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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.