Home / 12,667.30-18,996.39-4,345.16

Finding the Fourth Proportional to 12,667.30, 18,996.39 and 4,345.16

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Solution

The fourth proportional to 12,667.30, 18,996.39 and 4,345.16 is: 6,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,667.30 : 18,996.39 = 4,345.16 : x
  2. Step 2: Convert to fraction form
    12,667.30/18,996.39 = 4,345.16/x
  3. Step 3: Cross multiply
    12,667.30x = 18,996.39 × 4,345.16
  4. Step 4: Simplify right side
    12,667.30x = 82,542,288.17
  5. Step 5: Solve for x
    x = 82,542,288.17/12,667.30
  6. Step 6: Final answer
    x = 6,516.17

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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.