Home / 9,330.30-12,878.46-6,145.92

Finding the Fourth Proportional to 9,330.30, 12,878.46 and 6,145.92

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Solution

The fourth proportional to 9,330.30, 12,878.46 and 6,145.92 is: 8,483.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.30 : 12,878.46 = 6,145.92 : x
  2. Step 2: Convert to fraction form
    9,330.30/12,878.46 = 6,145.92/x
  3. Step 3: Cross multiply
    9,330.30x = 12,878.46 × 6,145.92
  4. Step 4: Simplify right side
    9,330.30x = 79,149,984.88
  5. Step 5: Solve for x
    x = 79,149,984.88/9,330.30
  6. Step 6: Final answer
    x = 8,483.11

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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.