Home / 8,809.64-12,145.54-6,998.67

Finding the Fourth Proportional to 8,809.64, 12,145.54 and 6,998.67

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Solution

The fourth proportional to 8,809.64, 12,145.54 and 6,998.67 is: 9,648.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.64 : 12,145.54 = 6,998.67 : x
  2. Step 2: Convert to fraction form
    8,809.64/12,145.54 = 6,998.67/x
  3. Step 3: Cross multiply
    8,809.64x = 12,145.54 × 6,998.67
  4. Step 4: Simplify right side
    8,809.64x = 85,002,578.57
  5. Step 5: Solve for x
    x = 85,002,578.57/8,809.64
  6. Step 6: Final answer
    x = 9,648.82

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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.