Home / 11,904.42-16,427.57-6,869.54

Finding the Fourth Proportional to 11,904.42, 16,427.57 and 6,869.54

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Solution

The fourth proportional to 11,904.42, 16,427.57 and 6,869.54 is: 9,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.42 : 16,427.57 = 6,869.54 : x
  2. Step 2: Convert to fraction form
    11,904.42/16,427.57 = 6,869.54/x
  3. Step 3: Cross multiply
    11,904.42x = 16,427.57 × 6,869.54
  4. Step 4: Simplify right side
    11,904.42x = 112,849,732.73
  5. Step 5: Solve for x
    x = 112,849,732.73/11,904.42
  6. Step 6: Final answer
    x = 9,479.65

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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.