Home / 12,583.28-18,860.16-6,744.08

Finding the Fourth Proportional to 12,583.28, 18,860.16 and 6,744.08

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Solution

The fourth proportional to 12,583.28, 18,860.16 and 6,744.08 is: 10,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.28 : 18,860.16 = 6,744.08 : x
  2. Step 2: Convert to fraction form
    12,583.28/18,860.16 = 6,744.08/x
  3. Step 3: Cross multiply
    12,583.28x = 18,860.16 × 6,744.08
  4. Step 4: Simplify right side
    12,583.28x = 127,194,427.85
  5. Step 5: Solve for x
    x = 127,194,427.85/12,583.28
  6. Step 6: Final answer
    x = 10,108.21

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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.