Home / 12,663.93-18,996.12-3,303.38

Finding the Fourth Proportional to 12,663.93, 18,996.12 and 3,303.38

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Solution

The fourth proportional to 12,663.93, 18,996.12 and 3,303.38 is: 4,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.93 : 18,996.12 = 3,303.38 : x
  2. Step 2: Convert to fraction form
    12,663.93/18,996.12 = 3,303.38/x
  3. Step 3: Cross multiply
    12,663.93x = 18,996.12 × 3,303.38
  4. Step 4: Simplify right side
    12,663.93x = 62,751,307.91
  5. Step 5: Solve for x
    x = 62,751,307.91/12,663.93
  6. Step 6: Final answer
    x = 4,955.12

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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.