Home / 11,784.60-16,263-6,479.91

Finding the Fourth Proportional to 11,784.60, 16,263 and 6,479.91

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Solution

The fourth proportional to 11,784.60, 16,263 and 6,479.91 is: 8,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.60 : 16,263 = 6,479.91 : x
  2. Step 2: Convert to fraction form
    11,784.60/16,263 = 6,479.91/x
  3. Step 3: Cross multiply
    11,784.60x = 16,263 × 6,479.91
  4. Step 4: Simplify right side
    11,784.60x = 105,382,776.33
  5. Step 5: Solve for x
    x = 105,382,776.33/11,784.60
  6. Step 6: Final answer
    x = 8,942.41

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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.