Home / 12,629.58-18,944.46-5,607.70

Finding the Fourth Proportional to 12,629.58, 18,944.46 and 5,607.70

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Solution

The fourth proportional to 12,629.58, 18,944.46 and 5,607.70 is: 8,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.58 : 18,944.46 = 5,607.70 : x
  2. Step 2: Convert to fraction form
    12,629.58/18,944.46 = 5,607.70/x
  3. Step 3: Cross multiply
    12,629.58x = 18,944.46 × 5,607.70
  4. Step 4: Simplify right side
    12,629.58x = 106,234,848.34
  5. Step 5: Solve for x
    x = 106,234,848.34/12,629.58
  6. Step 6: Final answer
    x = 8,411.59

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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.