Home / 12,218.08-18,333.49-6,670.39

Finding the Fourth Proportional to 12,218.08, 18,333.49 and 6,670.39

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Solution

The fourth proportional to 12,218.08, 18,333.49 and 6,670.39 is: 10,009.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.08 : 18,333.49 = 6,670.39 : x
  2. Step 2: Convert to fraction form
    12,218.08/18,333.49 = 6,670.39/x
  3. Step 3: Cross multiply
    12,218.08x = 18,333.49 × 6,670.39
  4. Step 4: Simplify right side
    12,218.08x = 122,291,528.36
  5. Step 5: Solve for x
    x = 122,291,528.36/12,218.08
  6. Step 6: Final answer
    x = 10,009.06

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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.