Home / 12,208.07-18,312.10-2,974.07

Finding the Fourth Proportional to 12,208.07, 18,312.10 and 2,974.07

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Solution

The fourth proportional to 12,208.07, 18,312.10 and 2,974.07 is: 4,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.07 : 18,312.10 = 2,974.07 : x
  2. Step 2: Convert to fraction form
    12,208.07/18,312.10 = 2,974.07/x
  3. Step 3: Cross multiply
    12,208.07x = 18,312.10 × 2,974.07
  4. Step 4: Simplify right side
    12,208.07x = 54,461,467.25
  5. Step 5: Solve for x
    x = 54,461,467.25/12,208.07
  6. Step 6: Final answer
    x = 4,461.10

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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.