Home / 12,417.80-18,621.30-4,094.60

Finding the Fourth Proportional to 12,417.80, 18,621.30 and 4,094.60

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Solution

The fourth proportional to 12,417.80, 18,621.30 and 4,094.60 is: 6,140.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.80 : 18,621.30 = 4,094.60 : x
  2. Step 2: Convert to fraction form
    12,417.80/18,621.30 = 4,094.60/x
  3. Step 3: Cross multiply
    12,417.80x = 18,621.30 × 4,094.60
  4. Step 4: Simplify right side
    12,417.80x = 76,246,774.98
  5. Step 5: Solve for x
    x = 76,246,774.98/12,417.80
  6. Step 6: Final answer
    x = 6,140.12

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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.