Home / 10,355.55-15,533.84-2,961.09

Finding the Fourth Proportional to 10,355.55, 15,533.84 and 2,961.09

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Solution

The fourth proportional to 10,355.55, 15,533.84 and 2,961.09 is: 4,441.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.55 : 15,533.84 = 2,961.09 : x
  2. Step 2: Convert to fraction form
    10,355.55/15,533.84 = 2,961.09/x
  3. Step 3: Cross multiply
    10,355.55x = 15,533.84 × 2,961.09
  4. Step 4: Simplify right side
    10,355.55x = 45,997,098.29
  5. Step 5: Solve for x
    x = 45,997,098.29/10,355.55
  6. Step 6: Final answer
    x = 4,441.78

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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.