Home / 12,624.40-18,935.30-5,604.54

Finding the Fourth Proportional to 12,624.40, 18,935.30 and 5,604.54

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Solution

The fourth proportional to 12,624.40, 18,935.30 and 5,604.54 is: 8,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.40 : 18,935.30 = 5,604.54 : x
  2. Step 2: Convert to fraction form
    12,624.40/18,935.30 = 5,604.54/x
  3. Step 3: Cross multiply
    12,624.40x = 18,935.30 × 5,604.54
  4. Step 4: Simplify right side
    12,624.40x = 106,123,646.26
  5. Step 5: Solve for x
    x = 106,123,646.26/12,624.40
  6. Step 6: Final answer
    x = 8,406.23

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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.