Home / 10,355.58-15,533.85-2,961.09

Finding the Fourth Proportional to 10,355.58, 15,533.85 and 2,961.09

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Solution

The fourth proportional to 10,355.58, 15,533.85 and 2,961.09 is: 4,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.58 : 15,533.85 = 2,961.09 : x
  2. Step 2: Convert to fraction form
    10,355.58/15,533.85 = 2,961.09/x
  3. Step 3: Cross multiply
    10,355.58x = 15,533.85 × 2,961.09
  4. Step 4: Simplify right side
    10,355.58x = 45,997,127.90
  5. Step 5: Solve for x
    x = 45,997,127.90/10,355.58
  6. Step 6: Final answer
    x = 4,441.77

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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.