Home / 8,006.13-12,009.47-2,162.79

Finding the Fourth Proportional to 8,006.13, 12,009.47 and 2,162.79

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Solution

The fourth proportional to 8,006.13, 12,009.47 and 2,162.79 is: 3,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.13 : 12,009.47 = 2,162.79 : x
  2. Step 2: Convert to fraction form
    8,006.13/12,009.47 = 2,162.79/x
  3. Step 3: Cross multiply
    8,006.13x = 12,009.47 × 2,162.79
  4. Step 4: Simplify right side
    8,006.13x = 25,973,950.81
  5. Step 5: Solve for x
    x = 25,973,950.81/8,006.13
  6. Step 6: Final answer
    x = 3,244.26

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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.