Home / 12,009.27-18,006.16-4,994.13

Finding the Fourth Proportional to 12,009.27, 18,006.16 and 4,994.13

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Solution

The fourth proportional to 12,009.27, 18,006.16 and 4,994.13 is: 7,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.27 : 18,006.16 = 4,994.13 : x
  2. Step 2: Convert to fraction form
    12,009.27/18,006.16 = 4,994.13/x
  3. Step 3: Cross multiply
    12,009.27x = 18,006.16 × 4,994.13
  4. Step 4: Simplify right side
    12,009.27x = 89,925,103.84
  5. Step 5: Solve for x
    x = 89,925,103.84/12,009.27
  6. Step 6: Final answer
    x = 7,487.97

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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.