Home / 12,476.08-18,700-4,154.14

Finding the Fourth Proportional to 12,476.08, 18,700 and 4,154.14

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Solution

The fourth proportional to 12,476.08, 18,700 and 4,154.14 is: 6,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.08 : 18,700 = 4,154.14 : x
  2. Step 2: Convert to fraction form
    12,476.08/18,700 = 4,154.14/x
  3. Step 3: Cross multiply
    12,476.08x = 18,700 × 4,154.14
  4. Step 4: Simplify right side
    12,476.08x = 77,682,418
  5. Step 5: Solve for x
    x = 77,682,418/12,476.08
  6. Step 6: Final answer
    x = 6,226.51

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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.