Home / 12,533.45-18,800.24-3,768.30

Finding the Fourth Proportional to 12,533.45, 18,800.24 and 3,768.30

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Solution

The fourth proportional to 12,533.45, 18,800.24 and 3,768.30 is: 5,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.45 : 18,800.24 = 3,768.30 : x
  2. Step 2: Convert to fraction form
    12,533.45/18,800.24 = 3,768.30/x
  3. Step 3: Cross multiply
    12,533.45x = 18,800.24 × 3,768.30
  4. Step 4: Simplify right side
    12,533.45x = 70,844,925.55
  5. Step 5: Solve for x
    x = 70,844,925.55/12,533.45
  6. Step 6: Final answer
    x = 5,652.47

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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.