Home / 10,665.20-14,713.44-6,683.60

Finding the Fourth Proportional to 10,665.20, 14,713.44 and 6,683.60

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Solution

The fourth proportional to 10,665.20, 14,713.44 and 6,683.60 is: 9,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.20 : 14,713.44 = 6,683.60 : x
  2. Step 2: Convert to fraction form
    10,665.20/14,713.44 = 6,683.60/x
  3. Step 3: Cross multiply
    10,665.20x = 14,713.44 × 6,683.60
  4. Step 4: Simplify right side
    10,665.20x = 98,338,747.58
  5. Step 5: Solve for x
    x = 98,338,747.58/10,665.20
  6. Step 6: Final answer
    x = 9,220.53

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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.