Home / 12,456.06-18,685.46-6,217.64

Finding the Fourth Proportional to 12,456.06, 18,685.46 and 6,217.64

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Solution

The fourth proportional to 12,456.06, 18,685.46 and 6,217.64 is: 9,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.06 : 18,685.46 = 6,217.64 : x
  2. Step 2: Convert to fraction form
    12,456.06/18,685.46 = 6,217.64/x
  3. Step 3: Cross multiply
    12,456.06x = 18,685.46 × 6,217.64
  4. Step 4: Simplify right side
    12,456.06x = 116,179,463.51
  5. Step 5: Solve for x
    x = 116,179,463.51/12,456.06
  6. Step 6: Final answer
    x = 9,327.14

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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.