Home / 12,218.04-18,328.30-3,333.50

Finding the Fourth Proportional to 12,218.04, 18,328.30 and 3,333.50

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Solution

The fourth proportional to 12,218.04, 18,328.30 and 3,333.50 is: 5,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.04 : 18,328.30 = 3,333.50 : x
  2. Step 2: Convert to fraction form
    12,218.04/18,328.30 = 3,333.50/x
  3. Step 3: Cross multiply
    12,218.04x = 18,328.30 × 3,333.50
  4. Step 4: Simplify right side
    12,218.04x = 61,097,388.05
  5. Step 5: Solve for x
    x = 61,097,388.05/12,218.04
  6. Step 6: Final answer
    x = 5,000.59

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1.5x scale

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.