Home / 9,399.29-12,965.32-6,212.62

Finding the Fourth Proportional to 9,399.29, 12,965.32 and 6,212.62

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Solution

The fourth proportional to 9,399.29, 12,965.32 and 6,212.62 is: 8,569.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.29 : 12,965.32 = 6,212.62 : x
  2. Step 2: Convert to fraction form
    9,399.29/12,965.32 = 6,212.62/x
  3. Step 3: Cross multiply
    9,399.29x = 12,965.32 × 6,212.62
  4. Step 4: Simplify right side
    9,399.29x = 80,548,606.34
  5. Step 5: Solve for x
    x = 80,548,606.34/9,399.29
  6. Step 6: Final answer
    x = 8,569.65

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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.