Home / 9,001.30-12,433.90-8,162.94

Finding the Fourth Proportional to 9,001.30, 12,433.90 and 8,162.94

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Solution

The fourth proportional to 9,001.30, 12,433.90 and 8,162.94 is: 11,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,001.30 : 12,433.90 = 8,162.94 : x
  2. Step 2: Convert to fraction form
    9,001.30/12,433.90 = 8,162.94/x
  3. Step 3: Cross multiply
    9,001.30x = 12,433.90 × 8,162.94
  4. Step 4: Simplify right side
    9,001.30x = 101,497,179.67
  5. Step 5: Solve for x
    x = 101,497,179.67/9,001.30
  6. Step 6: Final answer
    x = 11,275.84

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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.