Home / 10,355.28-15,533.44-2,960.83

Finding the Fourth Proportional to 10,355.28, 15,533.44 and 2,960.83

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Solution

The fourth proportional to 10,355.28, 15,533.44 and 2,960.83 is: 4,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.28 : 15,533.44 = 2,960.83 : x
  2. Step 2: Convert to fraction form
    10,355.28/15,533.44 = 2,960.83/x
  3. Step 3: Cross multiply
    10,355.28x = 15,533.44 × 2,960.83
  4. Step 4: Simplify right side
    10,355.28x = 45,991,887.17
  5. Step 5: Solve for x
    x = 45,991,887.17/10,355.28
  6. Step 6: Final answer
    x = 4,441.39

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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.