Home / 12,926.17-19,388.49-4,605.75

Finding the Fourth Proportional to 12,926.17, 19,388.49 and 4,605.75

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Solution

The fourth proportional to 12,926.17, 19,388.49 and 4,605.75 is: 6,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.17 : 19,388.49 = 4,605.75 : x
  2. Step 2: Convert to fraction form
    12,926.17/19,388.49 = 4,605.75/x
  3. Step 3: Cross multiply
    12,926.17x = 19,388.49 × 4,605.75
  4. Step 4: Simplify right side
    12,926.17x = 89,298,537.82
  5. Step 5: Solve for x
    x = 89,298,537.82/12,926.17
  6. Step 6: Final answer
    x = 6,908.35

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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.