Home / 12,890.08-19,320.36-5,950

Finding the Fourth Proportional to 12,890.08, 19,320.36 and 5,950

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Solution

The fourth proportional to 12,890.08, 19,320.36 and 5,950 is: 8,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890.08 : 19,320.36 = 5,950 : x
  2. Step 2: Convert to fraction form
    12,890.08/19,320.36 = 5,950/x
  3. Step 3: Cross multiply
    12,890.08x = 19,320.36 × 5,950
  4. Step 4: Simplify right side
    12,890.08x = 114,956,142
  5. Step 5: Solve for x
    x = 114,956,142/12,890.08
  6. Step 6: Final answer
    x = 8,918.19

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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.