Home / 8,919.30-13,393.53-6,965.58

Finding the Fourth Proportional to 8,919.30, 13,393.53 and 6,965.58

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Solution

The fourth proportional to 8,919.30, 13,393.53 and 6,965.58 is: 10,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.30 : 13,393.53 = 6,965.58 : x
  2. Step 2: Convert to fraction form
    8,919.30/13,393.53 = 6,965.58/x
  3. Step 3: Cross multiply
    8,919.30x = 13,393.53 × 6,965.58
  4. Step 4: Simplify right side
    8,919.30x = 93,293,704.70
  5. Step 5: Solve for x
    x = 93,293,704.70/8,919.30
  6. Step 6: Final answer
    x = 10,459.76

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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.