Home / 13,355.42-20,037.78-5,037.83

Finding the Fourth Proportional to 13,355.42, 20,037.78 and 5,037.83

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Solution

The fourth proportional to 13,355.42, 20,037.78 and 5,037.83 is: 7,558.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.42 : 20,037.78 = 5,037.83 : x
  2. Step 2: Convert to fraction form
    13,355.42/20,037.78 = 5,037.83/x
  3. Step 3: Cross multiply
    13,355.42x = 20,037.78 × 5,037.83
  4. Step 4: Simplify right side
    13,355.42x = 100,946,829.03
  5. Step 5: Solve for x
    x = 100,946,829.03/13,355.42
  6. Step 6: Final answer
    x = 7,558.49

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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.