Home / 10,383.08-14,336.08-6,409.58

Finding the Fourth Proportional to 10,383.08, 14,336.08 and 6,409.58

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Solution

The fourth proportional to 10,383.08, 14,336.08 and 6,409.58 is: 8,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.08 : 14,336.08 = 6,409.58 : x
  2. Step 2: Convert to fraction form
    10,383.08/14,336.08 = 6,409.58/x
  3. Step 3: Cross multiply
    10,383.08x = 14,336.08 × 6,409.58
  4. Step 4: Simplify right side
    10,383.08x = 91,888,251.65
  5. Step 5: Solve for x
    x = 91,888,251.65/10,383.08
  6. Step 6: Final answer
    x = 8,849.81

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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.