Home / 10,959.80-16,439.70-7,460.60

Finding the Fourth Proportional to 10,959.80, 16,439.70 and 7,460.60

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Solution

The fourth proportional to 10,959.80, 16,439.70 and 7,460.60 is: 11,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959.80 : 16,439.70 = 7,460.60 : x
  2. Step 2: Convert to fraction form
    10,959.80/16,439.70 = 7,460.60/x
  3. Step 3: Cross multiply
    10,959.80x = 16,439.70 × 7,460.60
  4. Step 4: Simplify right side
    10,959.80x = 122,650,025.82
  5. Step 5: Solve for x
    x = 122,650,025.82/10,959.80
  6. Step 6: Final answer
    x = 11,190.90

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Similar ratio
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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.