Home / 12,223.04-18,335.80-3,338.50

Finding the Fourth Proportional to 12,223.04, 18,335.80 and 3,338.50

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Solution

The fourth proportional to 12,223.04, 18,335.80 and 3,338.50 is: 5,008.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.04 : 18,335.80 = 3,338.50 : x
  2. Step 2: Convert to fraction form
    12,223.04/18,335.80 = 3,338.50/x
  3. Step 3: Cross multiply
    12,223.04x = 18,335.80 × 3,338.50
  4. Step 4: Simplify right side
    12,223.04x = 61,214,068.30
  5. Step 5: Solve for x
    x = 61,214,068.30/12,223.04
  6. Step 6: Final answer
    x = 5,008.09

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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.