Home / 12,376.48-18,564.72-3,612.28

Finding the Fourth Proportional to 12,376.48, 18,564.72 and 3,612.28

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Solution

The fourth proportional to 12,376.48, 18,564.72 and 3,612.28 is: 5,418.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.48 : 18,564.72 = 3,612.28 : x
  2. Step 2: Convert to fraction form
    12,376.48/18,564.72 = 3,612.28/x
  3. Step 3: Cross multiply
    12,376.48x = 18,564.72 × 3,612.28
  4. Step 4: Simplify right side
    12,376.48x = 67,060,966.76
  5. Step 5: Solve for x
    x = 67,060,966.76/12,376.48
  6. Step 6: Final answer
    x = 5,418.42

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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.