Home / 12,403.05-18,604.48-5,007.39

Finding the Fourth Proportional to 12,403.05, 18,604.48 and 5,007.39

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Solution

The fourth proportional to 12,403.05, 18,604.48 and 5,007.39 is: 7,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.05 : 18,604.48 = 5,007.39 : x
  2. Step 2: Convert to fraction form
    12,403.05/18,604.48 = 5,007.39/x
  3. Step 3: Cross multiply
    12,403.05x = 18,604.48 × 5,007.39
  4. Step 4: Simplify right side
    12,403.05x = 93,159,862.07
  5. Step 5: Solve for x
    x = 93,159,862.07/12,403.05
  6. Step 6: Final answer
    x = 7,511.05

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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.