Home / 12,926.30-19,388.67-4,605.87

Finding the Fourth Proportional to 12,926.30, 19,388.67 and 4,605.87

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Solution

The fourth proportional to 12,926.30, 19,388.67 and 4,605.87 is: 6,908.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.30 : 19,388.67 = 4,605.87 : x
  2. Step 2: Convert to fraction form
    12,926.30/19,388.67 = 4,605.87/x
  3. Step 3: Cross multiply
    12,926.30x = 19,388.67 × 4,605.87
  4. Step 4: Simplify right side
    12,926.30x = 89,301,693.49
  5. Step 5: Solve for x
    x = 89,301,693.49/12,926.30
  6. Step 6: Final answer
    x = 6,908.53

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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.