Home / 9,161.64-12,622.32-6,882.84

Finding the Fourth Proportional to 9,161.64, 12,622.32 and 6,882.84

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Solution

The fourth proportional to 9,161.64, 12,622.32 and 6,882.84 is: 9,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.64 : 12,622.32 = 6,882.84 : x
  2. Step 2: Convert to fraction form
    9,161.64/12,622.32 = 6,882.84/x
  3. Step 3: Cross multiply
    9,161.64x = 12,622.32 × 6,882.84
  4. Step 4: Simplify right side
    9,161.64x = 86,877,408.99
  5. Step 5: Solve for x
    x = 86,877,408.99/9,161.64
  6. Step 6: Final answer
    x = 9,482.74

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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.