Home / 13,533.45-20,299.94-6,955.77

Finding the Fourth Proportional to 13,533.45, 20,299.94 and 6,955.77

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Solution

The fourth proportional to 13,533.45, 20,299.94 and 6,955.77 is: 10,433.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.45 : 20,299.94 = 6,955.77 : x
  2. Step 2: Convert to fraction form
    13,533.45/20,299.94 = 6,955.77/x
  3. Step 3: Cross multiply
    13,533.45x = 20,299.94 × 6,955.77
  4. Step 4: Simplify right side
    13,533.45x = 141,201,678.87
  5. Step 5: Solve for x
    x = 141,201,678.87/13,533.45
  6. Step 6: Final answer
    x = 10,433.53

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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.