Home / 10,663.60-15,995.40-3,269.20

Finding the Fourth Proportional to 10,663.60, 15,995.40 and 3,269.20

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Solution

The fourth proportional to 10,663.60, 15,995.40 and 3,269.20 is: 4,903.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.60 : 15,995.40 = 3,269.20 : x
  2. Step 2: Convert to fraction form
    10,663.60/15,995.40 = 3,269.20/x
  3. Step 3: Cross multiply
    10,663.60x = 15,995.40 × 3,269.20
  4. Step 4: Simplify right side
    10,663.60x = 52,292,161.68
  5. Step 5: Solve for x
    x = 52,292,161.68/10,663.60
  6. Step 6: Final answer
    x = 4,903.80

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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.