Home / 11,931.82-16,465.92-6,626.65

Finding the Fourth Proportional to 11,931.82, 16,465.92 and 6,626.65

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Solution

The fourth proportional to 11,931.82, 16,465.92 and 6,626.65 is: 9,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.82 : 16,465.92 = 6,626.65 : x
  2. Step 2: Convert to fraction form
    11,931.82/16,465.92 = 6,626.65/x
  3. Step 3: Cross multiply
    11,931.82x = 16,465.92 × 6,626.65
  4. Step 4: Simplify right side
    11,931.82x = 109,113,888.77
  5. Step 5: Solve for x
    x = 109,113,888.77/11,931.82
  6. Step 6: Final answer
    x = 9,144.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.