Home / 12,908.11-19,362.18-4,588.11

Finding the Fourth Proportional to 12,908.11, 19,362.18 and 4,588.11

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Solution

The fourth proportional to 12,908.11, 19,362.18 and 4,588.11 is: 6,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,908.11 : 19,362.18 = 4,588.11 : x
  2. Step 2: Convert to fraction form
    12,908.11/19,362.18 = 4,588.11/x
  3. Step 3: Cross multiply
    12,908.11x = 19,362.18 × 4,588.11
  4. Step 4: Simplify right side
    12,908.11x = 88,835,714.87
  5. Step 5: Solve for x
    x = 88,835,714.87/12,908.11
  6. Step 6: Final answer
    x = 6,882.17

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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.