Home / 12,936.62-19,407.09-4,614.91

Finding the Fourth Proportional to 12,936.62, 19,407.09 and 4,614.91

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Solution

The fourth proportional to 12,936.62, 19,407.09 and 4,614.91 is: 6,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.62 : 19,407.09 = 4,614.91 : x
  2. Step 2: Convert to fraction form
    12,936.62/19,407.09 = 4,614.91/x
  3. Step 3: Cross multiply
    12,936.62x = 19,407.09 × 4,614.91
  4. Step 4: Simplify right side
    12,936.62x = 89,561,973.71
  5. Step 5: Solve for x
    x = 89,561,973.71/12,936.62
  6. Step 6: Final answer
    x = 6,923.14

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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.