Home / 12,663.17-18,989.25-4,866.50

Finding the Fourth Proportional to 12,663.17, 18,989.25 and 4,866.50

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Solution

The fourth proportional to 12,663.17, 18,989.25 and 4,866.50 is: 7,297.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.17 : 18,989.25 = 4,866.50 : x
  2. Step 2: Convert to fraction form
    12,663.17/18,989.25 = 4,866.50/x
  3. Step 3: Cross multiply
    12,663.17x = 18,989.25 × 4,866.50
  4. Step 4: Simplify right side
    12,663.17x = 92,411,185.13
  5. Step 5: Solve for x
    x = 92,411,185.13/12,663.17
  6. Step 6: Final answer
    x = 7,297.63

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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.