Home / 13,529.25-20,285.78-5,622.23

Finding the Fourth Proportional to 13,529.25, 20,285.78 and 5,622.23

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Solution

The fourth proportional to 13,529.25, 20,285.78 and 5,622.23 is: 8,429.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.25 : 20,285.78 = 5,622.23 : x
  2. Step 2: Convert to fraction form
    13,529.25/20,285.78 = 5,622.23/x
  3. Step 3: Cross multiply
    13,529.25x = 20,285.78 × 5,622.23
  4. Step 4: Simplify right side
    13,529.25x = 114,051,343.49
  5. Step 5: Solve for x
    x = 114,051,343.49/13,529.25
  6. Step 6: Final answer
    x = 8,429.98

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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.